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4-(2,4-Dichlorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25354
Mol F.	: C11H12Cl2
Mol W.	: 215.12 g/mol
Cas No.	: 951892-67-4
Stock	: Enquire

4-(2,4-Difluorophenyl)-1-butene

CAT No.	: CS-ED-25364
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951893-32-6
Stock	: Enquire

4-(2,4-Difluorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25366
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-19-6
Stock	: Enquire

4-(2,4-Dimethylphenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25347
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951891-75-1
Stock	: Enquire

4-(2,5-Dichlorophenyl)-1-butene

CAT No.	: CS-ED-25356
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-70-9
Stock	: Enquire

4-(2,5-Dichlorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25358
Mol F.	: C11H12Cl2
Mol W.	: 215.12 g/mol
Cas No.	: 951892-85-6
Stock	: Enquire

4-(2,5-Difluorophenyl)-1-butene

CAT No.	: CS-ED-25367
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-23-2
Stock	: Enquire

4-(2,5-Difluorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25368
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-35-6
Stock	: Enquire

4-(2,5-Dimethylphenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25348
Mol F.	: C13H18
Mol W.	: 174.28 g/mol
Cas No.	: 951891-90-0
Stock	: Enquire

4-(2,6-Dichlorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25359
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-94-7
Stock	: Enquire

4-(2,6-Difluorophenyl)-1-butene

CAT No.	: CS-ED-25369
Mol F.	: C10H10F2
Mol W.	: 168.18 g/mol
Cas No.	: 951892-39-0
Stock	: Enquire

4-(2,6-Difluorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25370
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-51-6
Stock	: Enquire

4-(2-Acetoxyphenyl)-2-bromo-1-butene

CAT No.	: CS-ED-40434
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 890097-76-4
Stock	: Enquire

4-(2-Acetoxyphenyl)-2-chloro-1-butene

CAT No.	: CS-ED-40432
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 890097-72-0
Stock	: Enquire

4-(2-Biphenyl)-2-bromo-1-butene

CAT No.	: CS-ED-15278
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951890-08-7
Stock	: Enquire

4-(2-Biphenyl)-2-chloro-1-butene

CAT No.	: CS-ED-15276
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951890-02-1
Stock	: Enquire

4-(2-Biphenyl)-2-methyl-1-butene

CAT No.	: CS-ED-15280
Mol F.	: C17H18
Mol W.	: 222.32 g/mol
Cas No.	: 951890-11-2
Stock	: Enquire

4-(2-Bromophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-15148
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 130955-17-8
Stock	: Enquire

4-(2-Chloro-6-fluorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-23159
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951895-21-9
Stock	: Enquire

4-(2-Ethoxyphenyl)-1-butene

CAT No.	: CS-ED-27848
Mol F.	: C12H16O
Mol W.	: 176.25 g/mol
Cas No.	: 951889-80-8
Stock	: Enquire

4-(2-Furanyl)-3-buten-2-one

CAT No.	: CS-ED-29554
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 108811-61-6
Stock	: Enquire

4-(2-Methoxyphenyl)-1-butene

CAT No.	: CS-MM-06374
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 63667-83-4
Stock	: Enquire

4-(2-Quinoxalinyl-3-butene-1,2-diol

CAT No.	: CS-T-61035
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 127196-36-5
Stock	: Enquire

4-(3,4-Dichlorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25361
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951893-09-7
Stock	: Enquire

4-(3,4-Difluorophenyl)-1-butene

CAT No.	: CS-ED-25330
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-54-9
Stock	: Enquire

4-(3,4-Difluorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25371
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-69-6
Stock	: Enquire

4-(3,4-Dimethylphenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25349
Mol F.	: C13H18
Mol W.	: 174.28 g/mol
Cas No.	: 951892-17-4
Stock	: Enquire

4-(3,5-Dichlorophenyl)-1-butene

CAT No.	: CS-ED-25362
Mol F.	: C10H10Cl2
Mol W.	: 201.09 g/mol
Cas No.	: 951893-12-2
Stock	: Enquire

4-(3,5-Dichlorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25363
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951893-24-6
Stock	: Enquire

4-(3,5-Difluorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25372
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-84-5
Stock	: Enquire

4-(3,5-Dimethylphenyl)-2-methyl-1-butene

CAT No.	: CS-ED-25350
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951892-33-4
Stock	: Enquire

4-(3-Acetoxyphenyl)-2-bromo-1-butene

CAT No.	: CS-ED-40437
Mol F.	: C12H13BrO2
Mol W.	: 269.13 g/mol
Cas No.	: 890097-82-2
Stock	: Enquire

4-(3-Acetoxyphenyl)-2-chloro-1-butene

CAT No.	: CS-ED-40435
Mol F.	: C12H13ClO2
Mol W.	: 224.68 g/mol
Cas No.	: 890097-80-0
Stock	: Enquire

4-(3-Bromo-3-butenyl)benzoic acid

CAT No.	: CS-ED-15363
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 732249-70-6
Stock	: Enquire

4-(3-chloro-2-methylanilino)-3-phenyl-3-buten-2-one

CAT No.	: CS-EL-05300
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 339017-26-4
Stock	: Enquire

4-(3-Chlorophenyl)-4-oxo-2-butenoic Acid

CAT No.	: CS-T-50903
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 191015-04-0
Stock	: Enquire

4-(3-Methylphenyl)-1-butene

CAT No.	: CS-ED-30731
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 92367-45-8
Stock	: Enquire

4-(3-Pyridinyl)-3-buten-1-amine

CAT No.	: CS-T-86130
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 66417-77-4
Stock	: Enquire

4-(4-Acetoxyphenyl)-2-bromo-1-butene

CAT No.	: CS-ED-40440
Mol F.	: C12H13BrO2
Mol W.	: 269.13 g/mol
Cas No.	: 890097-88-8
Stock	: Enquire

4-(4-Acetoxyphenyl)-2-chloro-1-butene

CAT No.	: CS-ED-40438
Mol F.	: C12H13ClO2
Mol W.	: 224.68 g/mol
Cas No.	: 890097-86-6
Stock	: Enquire

4-(4-Acetylanilino)-4-oxo-2-butenoic acid

CAT No.	: CS-M-19477
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 24870-12-0
Stock	: Enquire

4-(4-Bromophenyl)-2-chloro-1-butene

CAT No.	: CS-ED-15231
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 226570-78-1
Stock	: Enquire

4-(4-Bromophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-15233
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 138624-01-8
Stock	: Enquire

4-(4-Chlorophenyl)-2-methyl-1-butene

CAT No.	: CS-ED-23081
Mol F.	: C11H13Cl
Mol W.	: 180.67 g/mol
Cas No.	: 106897-78-3
Stock	: Enquire

4-(4-Ethylanilino)-4-oxo-2-butenoic acid

CAT No.	: CS-M-31353
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 324067-34-7
Stock	: Enquire

4-(4-Fluorophenyl)-1-butene

CAT No.	: CS-M-04754
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 2248-13-7
Stock	: Enquire

4-(4-Fluorophenyl)-3-buten-2-one

CAT No.	: CS-M-30924
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1611-38-7
Stock	: Enquire

4-(4-Methoxyphenyl)-3-buten-2-one

CAT No.	: CS-M-30764
Mol F.	: C11H12O2
Mol W.	: 176.21 g/mol
Cas No.	: 943-88-4
Stock	: Enquire

4-(4-Tert-butylphenyl)-1-butene

CAT No.	: CS-ED-34434
Mol F.	: C14H20
Mol W.	: 188.31 g/mol
Cas No.	: 1049130-91-7
Stock	: Enquire

4-(4-Tert-butylphenyl)-2-chloro-1-butene

CAT No.	: CS-ED-34443
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1049030-29-6
Stock	: Enquire

4-(5-Bromo-2-methoxyphenyl)-2-chloro-1-butene

CAT No.	: CS-ED-15339
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951894-93-2
Stock	: Enquire

4-(5-Ethoxycarbonyl-2-furanyl)-2-methyl-1-butene

CAT No.	: CS-ED-27914
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 951886-49-0
Stock	: Enquire

4-(6-Chloro-3-pyridyl)-2-methyl-1-butene

CAT No.	: CS-ED-23167
Mol F.	: C10H12ClN
Mol W.	: 181.66 g/mol
Cas No.	: 951886-64-9
Stock	: Enquire

4-(benzylamino)-4-oxo-2-butenoic acid

CAT No.	: CS-EL-01464
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 15329-69-8
Stock	: Enquire

4-(Diethylphosphono)-3-methyl-2-butenenitrile, E/Z mixture

CAT No.	: CS-T-18251
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 87549-50-6
Stock	: Enquire

4-(dimethylamino)-1,1-diphenyl-3-buten-2-one

CAT No.	: CS-EL-06032
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 103541-08-8
Stock	: Enquire

4-(dimethylamino)-3-[(4-methylphenyl)sulfanyl]-3-buten-2-one

CAT No.	: CS-EL-05164
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1164559-21-0
Stock	: Enquire

4-(dimethylamino)-3-phenyl-3-buten-2-one

CAT No.	: CS-EL-00464
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 343569-91-5
Stock	: Enquire

4-(Phenyl-d5)-3-buten-2-one

CAT No.	: CS-T-60389
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 56187-93-0
Stock	: Enquire

4-(Tetrahydropyran-2-yloxy)-1-butene

CAT No.	: CS-T-44061
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 59574-65-1
Stock	: Enquire

4,5-Dimethoxy-1-benzocyclobutenecarbonitrile

CAT No.	: CS-T-19623
Mol F.	: C11H11NO2
Mol W.	: 189.21 g/mol
Cas No.	: 35202-54-1
Stock	: Enquire

4-[(2-{[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]-amino}ethyl)amino]-4-oxo-2-butenoic acid

CAT No.	: CS-M-32808
Mol F.	: C12H11ClF3N3O3
Mol W.	: 337.68 g/mol
Cas No.	: 339096-60-5
Stock	: Enquire

4-[[4-[(Dimethylamino)methyl]phenyl]amino]-4-oxo-2-butenoic Acid

CAT No.	: CS-T-53374
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1216345-43-5
Stock	: Enquire

4-[2-(4-Bromo-2-fluorophenoxy)phenyl]-3-buten-2-one

CAT No.	: CS-M-31920
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 451485-72-6
Stock	: Enquire

4-[2-(4-Chloro-3-fluorophenoxy)phenyl]-3-buten-2-one

CAT No.	: CS-M-31921
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 451485-73-7
Stock	: Enquire

4-[4-(benzyloxy)anilino]-3-phenyl-3-buten-2-one

CAT No.	: CS-EL-00749
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1164552-66-2
Stock	: Enquire

4-[4-(dimethyl-d6-amino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-(hydroxymethyl)-benzonitrile (Citalopram Olefinic Impurity)

CAT No.	: CS-T-98728
Mol F.	: C20H15D6FN2O
Mol W.	: 330.43 g/mol
Cas No.	: Not Available
Stock	: Enquire

4-{[11-(3-butenoyloxy)undecyl]oxy}benzenecarboxylic acid

CAT No.	: CS-EL-00552
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 141522-67-0
Stock	: Enquire

4-{[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-buten-1-ol

CAT No.	: CS-M-31297
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 338772-77-3
Stock	: Enquire

4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-butenyl N-(4-chlorophenyl)carbamate

CAT No.	: CS-EL-18017
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 338772-85-3
Stock	: Enquire

4-{[5-(Butyrylamino)-2-chlorophenyl]amino}-4-oxo-2-butenoic acid

CAT No.	: CS-ED-27761
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 940106-84-3
Stock	: Enquire

4-{[6-(3-butenoyloxy)hexyl]oxy}benzenecarboxylic acid

CAT No.	: CS-EL-07958
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 141522-65-8
Stock	: Enquire

4-{1-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-1H-indol-3-yl}-3-buten-2-one

CAT No.	: CS-EL-00435
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1164455-16-6
Stock	: Enquire

4-{2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-2-methylhydrazino}-4-oxo-2-butenoic acid

CAT No.	: CS-EL-05449
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 339110-32-6
Stock	: Enquire

4-Bromo-1-butene

CAT No.	: CS-T-07988
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 5162-44-7
Stock	: Enquire

4-bromo-2-Butenoic acid

CAT No.	: CS-DV-02636
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 20629-35-0
Stock	: Enquire

4-Butoxy-1,1,1-trifluoro-3-buten-2-one

CAT No.	: CS-M-33604
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 120407-73-0
Stock	: Enquire

4-Chloro-2-methyl-2-butenyl phenyl sulfone

CAT No.	: CS-O-48073
Mol F.	: C11H13ClO2S
Mol W.	: 244.74 g/mol
Cas No.	: 5829-79-8
Stock	: Enquire

4-Chloro-3-methy-2-butenenitrile

CAT No.	: CS-T-50816
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 4450-34-4
Stock	: Enquire

4-Ethoxy-1,1,1-trifluoro-3-buten-2-one

CAT No.	: CS-T-22423
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 17129-06-5
Stock	: Enquire

4-Ethoxy-3-(4-pyridinyl)-3-buten-2-one

CAT No.	: CS-T-75662
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 88349-61-5
Stock	: Enquire

4-Ethoxy-3-methyl-3-buten-2-one

CAT No.	: CS-T-54324
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 855232-55-2
Stock	: Enquire

4-Hydroxy-4-(6-methoxy-2-naphthalenyl)-3-buten-2-one

CAT No.	: CS-O-34078
Mol F.	: C15H14O3
Mol W.	: 242.27 g/mol
Cas No.	: 73356-31-7
Stock	: Enquire

4-Oxo-4-{[4-(1-pyrrolidinylcarbonyl)phenyl]amino}-2-butenoic acid

CAT No.	: CS-ED-32771
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 904874-86-8
Stock	: Enquire

4-Oxo-4-phenyl-2-butenoic acid

CAT No.	: CS-M-42944
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 583-06-2
Stock	: Enquire

4-Phenyl-1-butene

CAT No.	: CS-BX-01349
Mol F.	: C10H12
Mol W.	: 132.2 g/mol
Cas No.	: 768-56-9
Stock	: Enquire

4-Phenyl-3-buten-2-ol

CAT No.	: CS-T-84312
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 17488-65-2
Stock	: Enquire

4-Sulfino-2-butenoic Acid

CAT No.	: CS-T-86716
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 302923-02-0
Stock	: Enquire

5-(3-Buten-1-ynyl)-2,2′-bithienyl

CAT No.	: CS-O-52262
Mol F.	: C12H8S2
Mol W.	: 216.32 g/mol
Cas No.	: 1134-61-8
Stock	: Enquire

5-Chloro-2-[(3,4,4-trifluoro-3-butenyl)sulfinyl]thiazole

CAT No.	: CS-T-12700
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 318290-97-0
Stock	: Enquire

5-O-(3-Methyl-2-butenyl) Kaempferol Tri-O-methoxymethyl Ether

CAT No.	: CS-T-33359
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 143724-70-3
Stock	: Enquire

Benzocyclobutene

CAT No.	: CS-DE-00021
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 694-87-1
Stock	: Enquire

Bisoprolol EP Impurity F Butenedioic acid salt

CAT No.	: CS-EO-03378
Mol F.	: C18H31NO4 : C4H4O4
Mol W.	: 325.4 : 116.1 g/mol
Cas No.	: 2470233-28-2
Stock	: Enquire

Bromobutene Linagliptin impurity VII

CAT No.	: CS-O-15765
Mol F.	: C25H29BrN8O2
Mol W.	: 553.5 g/mol
Cas No.	: 1446263-39-3
Stock	: IN-Stock

Ceftibuten

CAT No.	: CS-O-15751
Mol F.	: C₁₅H₁₄N₄O₆S₂
Mol W.	: 410.42 g/mol
Cas No.	: 97519-39-6
Stock	: IN-Stock

Ceftibuten dihydrate

CAT No.	: CS-O-01211
Mol F.	: C₁₅H₁₈N₄O₈S₂
Mol W.	: 446.46 g/mol
Cas No.	: 118081-34-8
Stock	: IN-Stock

Ceftibuten Related Impurity 1

CAT No.	: CS-O-13378
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 102199-53-1
Stock	: Enquire

Ceftibuten Related Impurity 11

CAT No.	: CS-O-13386
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 12

CAT No.	: CS-O-13387
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 13

CAT No.	: CS-O-13389
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 14

CAT No.	: CS-O-13390
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 15

CAT No.	: CS-O-13391
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 16

CAT No.	: CS-O-13392
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 17

CAT No.	: CS-O-13393
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 97910-60-6
Stock	: Enquire

Ceftibuten Related Impurity 4

CAT No.	: CS-O-13380
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 51762-51-7
Stock	: Enquire

Ceftibuten Related Impurity 5

CAT No.	: CS-O-13381
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 6

CAT No.	: CS-O-13382
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 57028-71-4
Stock	: Enquire

Ceftibuten Related Impurity 7

CAT No.	: CS-O-13383
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: Not Available
Stock	: Enquire

Ceftibuten Related Impurity 8

CAT No.	: CS-O-13388
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 174761-17-2
Stock	: Enquire

Ceftibuten-13C3

CAT No.	: CS-O-11351
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 97519-39-6 (Unlabeled)
Stock	: Enquire

Cis-2-Methyl-1,3,4-trihydroxy-1-butene

CAT No.	: CS-O-48492
Mol F.	: C5H10O3
Mol W.	: 118.13 g/mol
Cas No.	: 862366-89-0
Stock	: Enquire

cis-2-Phenyl-2-butene

CAT No.	: CS-T-38564
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 767-99-7
Stock	: Enquire

cis-N-Acetyl-S-(4-hydroxy-2-buten-1-yl)-L-cysteine-d3

CAT No.	: CS-T-94397
Mol F.	: C₉H₁₂D₃NO₄S
Mol W.	: 236.3 g/mol
Cas No.	: Not Available
Stock	: Enquire

Cyclopropanecarboxylic acid, 1-(3-buten-1-yl)-

CAT No.	: CS-ED-22010
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 106434-86-0
Stock	: Enquire

Descarboxy Ceftibuten

CAT No.	: CS-O-48970
Mol F.	: C14H14N4O4S2
Mol W.	: 366.41 g/mol
Cas No.	: 110630-32-5
Stock	: Enquire

Desmethyl Butenafine Hydrochloride

CAT No.	: CS-T-16185
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 101828-08-4
Stock	: Enquire

Diacetoxybutene

CAT No.	: CS-T-52501
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 18085-02-4
Stock	: Enquire

Dimethylthiambutene Hydrochloride

CAT No.	: CS-TB-32009
Mol F.	: C14H18ClNS2
Mol W.	: 299.88 g/mol
Cas No.	: 5786-77-6
Stock	: Enquire

Effavirenz Cyclobutenylindole analog

CAT No.	: CS-EO-00103
Mol F.	: C16H13ClF3NO2
Mol W.	: 343.7 g/mol
Cas No.	: 2177283-35-9
Stock	: Enquire

Ethyl 3-(dimethyl amino)-2-butenoate

CAT No.	: CS-O-43196
Mol F.	: C8H15NO2
Mol W.	: 157.21 g/mol
Cas No.	: 14205-42-6
Stock	: Enquire

Ethyl 3-Methyl-2-butenoate

CAT No.	: CS-T-22992
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 638-10-8
Stock	: Enquire

Ethyl 3-Methyl-2-butenoate-d6

CAT No.	: CS-T-54504
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 53439-15-9
Stock	: Enquire

Ethyl trans-4-Oxobutenoate

CAT No.	: CS-T-23069
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 2960-66-9
Stock	: Enquire

Ethyl trans-4-phenyl-2-butenoate

CAT No.	: CS-T-77458
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1205-84-1
Stock	: Enquire

Ethyl-4-bromo-3-ethoxy-2-butenoate Stab. Na2Co3

CAT No.	: CS-O-41829
Mol F.	: C8H13BrO3
Mol W.	: 237.10 g/mol
Cas No.	: 1116-50-3
Stock	: Enquire

Hexafluorocyclobutene

CAT No.	: CS-M-02103
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 697-11-0
Stock	: Enquire

Hydroxybutenolide

CAT No.	: CS-T-78949
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 931-23-7
Stock	: Enquire

Isobutene Glycol

CAT No.	: CS-T-29633
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 558-43-0
Stock	: Enquire

Isobutenyl bromide 13C3

CAT No.	: CS-EK-00559
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 3017-69-4 unlabeled
Stock	: Enquire

L-2-Amino-4-methoxy-trans-3-butenoic acid

CAT No.	: CS-ED-08173
Mol F.	: C5H9NO3
Mol W.	: 131.13 g/mol
Cas No.	: 35891-72-6
Stock	: Enquire

Methyl 2-Cyano-3-methyl-2-butenoate

CAT No.	: CS-O-47227
Mol F.	: C7H9NO2
Mol W.	: 139.15 g/mol
Cas No.	: 6666-75-7
Stock	: Enquire

Methyl 3-ethoxy-2-butenoate

CAT No.	: CS-O-49009
Mol F.	: C7H12O3
Mol W.	: 144.17 g/mol
Cas No.	: 85153-65-7
Stock	: Enquire

Methyl 3-Methyl-2-butenoate

CAT No.	: CS-T-58415
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 924-50-5
Stock	: IN-Stock

Methyl 4-[(1-formyl-2-naphthyl)oxy]-2-butenoate

CAT No.	: CS-M-31826
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 174633-84-2
Stock	: Enquire

Methyl trans-4-Bromo-2-butenoate

CAT No.	: CS-T-80168
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 6000-00-6
Stock	: Enquire

Methyl[4-(3-pyridinyl)-3-butenyl]carbamic Acid Ethyl Ester

CAT No.	: CS-T-81741
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 54002-25-4
Stock	: Enquire

N N-Dimethylisobutenylamine

CAT No.	: CS-CD-00204
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 6906-32-7
Stock	: Enquire

N,N,N,N-Tetramethyl-2-butene-1,4-diamine

CAT No.	: CS-T-43937
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 4559-79-9
Stock	: Enquire

N,N'-Dimethyl-2-butene-1,4-diamine

CAT No.	: CS-ED-02368
Mol F.	: C6H14N2
Mol W.	: 114.19 g/mol
Cas No.	: 111-72-8
Stock	: Enquire

N-[(1S)-2-Hydroxy-3-methyl-1-(2-methylpropyl)-3-buten-1-yl]-carbamic Acid 1,1-Dimethylethyl Ester

CAT No.	: CS-T-78816
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 1609959-45-6
Stock	: Enquire

N-[5-[1-Hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl-d6](phenylmethyl)amino]ethyl]-2-(phenylmethoxy)phenyl]formamide (E)-2-Butenedioate (Salt)

CAT No.	: CS-T-98897
Mol F.	: C37H34D6N2O8
Mol W.	: 646.76 g/mol
Cas No.	: Not Available
Stock	: Enquire

N-Acetyl-S-(2-hydroxy-3-butenyl)cysteine

CAT No.	: CS-ED-37310
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 159092-64-5
Stock	: Enquire

N-Acetyl-S-(4-hydroxy-2-buten-1-yl)-L-cysteine-d3

CAT No.	: CS-T-94372
Mol F.	: C9H12D3NO4S
Mol W.	: 236.3 g/mol
Cas No.	: 159092-65-6-unlabelled
Stock	: Enquire

N-Acetyl-S-(4-hydroxy-2-Methyl-2-trans-buten-1-yl)-L-cysteine-d3

CAT No.	: CS-T-94394
Mol F.	: C10H14D3NO4S
Mol W.	: 250.33 g/mol
Cas No.	: 2714414-67-0
Stock	: Enquire

N-Acetyl-S-(4-hydroxy-3-methyl-2-cis-buten-1-yl)-L-cysteine-d3

CAT No.	: CS-T-97062
Mol F.	: C10H14D3NO4S
Mol W.	: 250.33 g/mol
Cas No.	: Not Available
Stock	: Enquire

N-Acetyl-S-(4-hydroxy-3-methyl-2-cis-buten-1-yl)-L-cysteine-d3

CAT No.	: CS-T-97061
Mol F.	: C10H14D3NO4S
Mol W.	: 250.33 g/mol
Cas No.	: 2714472-63-4
Stock	: Enquire

N-Acetyl-S-(4-hydroxy-3-methyl-2-trans-buten-1-yl)-L-cysteine-d3 Dicyclohexylammonium Salt

CAT No.	: CS-T-94373
Mol F.	: C22H37D3N2O4S
Mol W.	: 431.65 g/mol
Cas No.	: Not Available
Stock	: Enquire

N-Allyl-N-nitroso-3-butenylamine

CAT No.	: CS-ED-01143
Mol F.	: C7H12N2O
Mol W.	: 140.18 g/mol
Cas No.	: 54746-50-8
Stock	: Enquire

N-Benzyl-N-(3-butenyl)amine

CAT No.	: CS-M-34971
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 17150-62-8
Stock	: Enquire

N-Ethyl-3-buteno-o-toluidide

CAT No.	: CS-T-54396
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 13936-71-5
Stock	: Enquire

N-Ethyl-3-buteno-o-toluidide-d7

CAT No.	: CS-T-100333
Mol F.	: C13H10D7NO
Mol W.	: 210.32 g/mol
Cas No.	: Not Available
Stock	: Enquire

N-Methyl N-(3-Butenyl) Noroxymorphone Bromide-d3

CAT No.	: CS-T-98688
Mol F.	: C20H21D3BrNO4
Mol W.	: 425.33 g/mol
Cas No.	: Not Available
Stock	: Enquire

O-(3-Butenyl)-N,N-bis(2-chloroethyl)phosphorodiamidate-d4

CAT No.	: CS-T-99000
Mol F.	: C8H13D4Cl2N2O2P
Mol W.	: 279.14 g/mol
Cas No.	: 1246816-65-8
Stock	: Enquire

Octafluoro-1-butene

CAT No.	: CS-O-49987
Mol F.	: C4F8
Mol W.	: 200.03 g/mol
Cas No.	: 357-26-6
Stock	: Enquire

Octafluoro-2-butene

CAT No.	: CS-O-49988
Mol F.	: C4F8
Mol W.	: 200.03 g/mol
Cas No.	: 360-89-4
Stock	: Enquire

O-tert-Butyldimethylsilyl-3-iodo-(2E)-buten-1-ol

CAT No.	: CS-T-09496
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 152893-54-4
Stock	: Enquire

p-Nitrobenzyl 2-diazo-3-(trimethylsilyloxy)-3-butenoate

CAT No.	: CS-O-43362
Mol F.	: C14H17N3O5Si
Mol W.	: 335.39 g/mol
Cas No.	: 93788-47-7
Stock	: Enquire

Poly(ethylene-co-1-butene)

CAT No.	: CS-O-34026
Mol F.	: (C4H8.C2H4)x
Mol W.	: Not Available
Cas No.	: 25087-34-7
Stock	: Enquire

Polybutenes

CAT No.	: CS-T-83937
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 9003-29-6
Stock	: Enquire

Roflumilast Impurity Buten

CAT No.	: CS-O-39425
Mol F.	: C17H14Cl2F2N2O3
Mol W.	: 403.21 g/mol
Cas No.	: 2368178-29-2
Stock	: Enquire

Tacrolimus Butenyl analogue

CAT No.	: CS-O-51456
Mol F.	: C45H71NO12
Mol W.	: 818.05 g/mol
Cas No.	: 1262804-11-4
Stock	: Enquire

trans 1,4-Dichloro-2-butene

CAT No.	: CS-T-17460
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 110-57-6
Stock	: Enquire

trans-1,4-Dibromo-2-butene-d6

CAT No.	: CS-C-00739
Mol F.	: BrCD2CD=CDCD2Br
Mol W.	: 219.94 g/mol
Cas No.	: 118886-18-3
Stock	: Enquire

trans-2-Butenamide

CAT No.	: CS-T-09223
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 625-37-6
Stock	: Enquire

Trans-2-Methyl-1,3,4-trihydroxy-1-butene

CAT No.	: CS-O-48493
Mol F.	: C5H10O3
Mol W.	: 118.13 g/mol
Cas No.	: 862366-91-4
Stock	: Enquire

Triethyl 3-Methyl-4-phosphono-2-butenoate (~90%)

CAT No.	: CS-T-45130
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 41891-54-7
Stock	: Enquire

Zinc, chloro(3-methyl-2-butenyl)-

CAT No.	: CS-ED-30974
Mol F.	: Not Available
Mol W.	: Not Available
Cas No.	: 90472-65-4
Stock	: Enquire