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Xanthine Pharmaceutical Reference Standards

XANTHINE IMPURITIES, IMPURITIES
"1-(Ethyl-3-carboxypropyl)-3,7-dimethylxanthine"

CAT No. : CS-T-54409
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 83636-88-8
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"1,3,7,8-Tetramethylxanthine"

CAT No. : CS-M-56874
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 832-66-6
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"1,3-Dibutylxanthine"

CAT No. : CS-T-17372
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 2850-36-4
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"1,3-Diethyl-8-phenylxanthine"

CAT No. : CS-T-18237
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 75922-48-4
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"1,3-Dipropyl-7-methylxanthine"

CAT No. : CS-T-21035
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 31542-63-9
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"1,3-Dipropyl-8-phenylxanthine"

CAT No. : CS-T-21037
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 85872-53-3
Stock : Enquire

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
"1,7-Dimethylxanthine 13C4, 15N3"

CAT No. : CS-R-00542
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
"1,7-Dimethylxanthine D6"

CAT No. : CS-O-16235
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 117490-41-2
Stock : Enquire

XANTHINE IMPURITIES, IMPURITIES
"3,7-Dimethyl-1-propargylxanthine"

CAT No. : CS-T-53677
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 14114-46-6
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"3,7-Dimethyl-8-(p-sulfonamidophenyl)xanthine"

CAT No. : CS-T-20611
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 149981-21-5
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"5-Amino-3,7-dimethylxanthine"

CAT No. : CS-T-02513
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 81281-47-2
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"8-Cyclopentyl-1,3-dimethylxanthine"

CAT No. : CS-T-13998
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 35873-49-5
Stock : Enquire

XANTHINE INTERMEDIATES, INTERMEDIATES
"8-Cyclopentyl-1,3-dipropylxanthine"

CAT No. : CS-T-14000
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 102146-07-6
Stock : Enquire

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
"Hypoxanthine 13C2,15N"

CAT No. : CS-T-56561
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1246820-04-1
Stock : Enquire
[13C]-Hypoxanthine

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
[13C]-Hypoxanthine

CAT No. : CS-EK-00467
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 473249-93-3
Stock : Enquire
[13C]-Xanthine

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
[13C]-Xanthine

CAT No. : CS-EK-00100
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 69-89-6 unlabeled
Stock : Enquire
1-(3-carboxypropyl)3,7-dimethyl Xanthine-d6

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
1-(3-carboxypropyl)3,7-dimethyl Xanthine-d6

CAT No. : CS-BV-00018
Mol F. : C₁₁H₈D₆N₄O₄
Mol W. : 272.29 g/mol
Cas No. : 1246816-64-7
Stock : IN-Stock
1-(3-Carboxypropyl)-3,7-dimethylxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
1-(3-Carboxypropyl)-3,7-dimethylxanthine

CAT No. : CS-T-50360
Mol F. : C11H14N4O4
Mol W. : 266.25 g/mol
Cas No. : 6493-07-8
Stock : Enquire
1-(5-Ketohexyl)-3-methyl Xanthine

XANTHINE IMPURITIES, IMPURITIES
1-(5-Ketohexyl)-3-methyl Xanthine

CAT No. : CS-T-30335
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 38975-46-1
Stock : Enquire
1,3-Dipropyl-8-p-sulfophenylxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
1,3-Dipropyl-8-p-sulfophenylxanthine

CAT No. : CS-T-21040
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 89073-57-4
Stock : Enquire
1,3-Dipropylxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
1,3-Dipropylxanthine

CAT No. : CS-T-21045
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 31542-62-8
Stock : Enquire
1,7-Dimethylxanthine-d3

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
1,7-Dimethylxanthine-d3

CAT No. : CS-B-00266
Mol F. : C7H5D3N4O2
Mol W. : 183.18 g/mol
Cas No. : 611-59-6 (unlabeled)
Stock : Enquire
1-[(4-Methylquinazolin-2-yl)methyl)]-3-methyl-7-(2-butin-1-yl)-8- bromoxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
1-[(4-Methylquinazolin-2-yl)methyl)]-3-methyl-7-(2-butin-1-yl)-8- bromoxanthine

CAT No. : CS-O-31412
Mol F. : C20H17BrN6O2
Mol W. : 453.29 g/mol
Cas No. : 853029-57-9
Stock : IN-Stock
1-Allyl-3,7-dimethyl-8-phenylxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
1-Allyl-3,7-dimethyl-8-phenylxanthine

CAT No. : CS-T-01684
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 149981-23-7
Stock : Enquire
1-Allyl-3,7-dimethyl-8-phenylxanthine-d5

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
1-Allyl-3,7-dimethyl-8-phenylxanthine-d5

CAT No. : CS-T-100984
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire
1-Allyl-3,7-dimethyl-8-p-sulfophenylxanthine

XANTHINE IMPURITIES, IMPURITIES
1-Allyl-3,7-dimethyl-8-p-sulfophenylxanthine

CAT No. : CS-T-01687
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 149981-25-9
Stock : Enquire
1-Allyl-3,7-dimethyl-8-sulfophenylxanthine sodium salt

XANTHINE INTERMEDIATES, INTERMEDIATES
1-Allyl-3,7-dimethyl-8-sulfophenylxanthine sodium salt

CAT No. : CS-ED-41191
Mol F. : C16H15N4NaO5S
Mol W. : 398.4 g/mol
Cas No. : 249929-56-4
Stock : Enquire
1-Methyl Xanthine

XANTHINE METABOLITES, METABOLITES
1-Methyl Xanthine

CAT No. : CS-O-10032
Mol F. : C₆H₆N₄O₂
Mol W. : 166.14 g/mol
Cas No. : 6136-37-4
Stock : IN-Stock
1-Methyl Xanthine D3

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
1-Methyl Xanthine D3

CAT No. : CS-T-58826
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1216430-61-3
Stock : Enquire
3-Isobutyl-1-methylxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
3-Isobutyl-1-methylxanthine

CAT No. : CS-T-56790
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 28822-58-4
Stock : Enquire
3-Methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tertbutyloxycarbonylamino)piperidin-1-yl]-xanthine-d3

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
3-Methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tertbutyloxycarbonylamino)piperidin-1-yl]-xanthine-d3

CAT No. : CS-T-100051
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire
3-Methyl-7-(5-oxohexyl)-1-propylxanthine

XANTHINE IMPURITIES, IMPURITIES
3-Methyl-7-(5-oxohexyl)-1-propylxanthine

CAT No. : CS-T-34650
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 55242-58-5
Stock : Enquire
3-Methyl-7-propylxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
3-Methyl-7-propylxanthine

CAT No. : CS-M-58494
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 55242-64-3
Stock : Enquire
3-Methylxanthine-[13C4,15N3]

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
3-Methylxanthine-[13C4,15N3]

CAT No. : CS-I-00528
Mol F. : C213C4H6N15N3O2
Mol W. : 173.09 g/mol
Cas No. : 1173018-93-3
Stock : Enquire
5-Amino-3,7-dimethyl Xanthine-d6

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
5-Amino-3,7-dimethyl Xanthine-d6

CAT No. : CS-T-100881
Mol F. : C7H3D6N5O2
Mol W. : 201.22 g/mol
Cas No. : 1185126-58-2
Stock : Enquire
7-​Methyl Xanthine D3

XANTHINE IMPURITIES, IMPURITIES
7-​Methyl Xanthine D3

CAT No. : CS-O-44345
Mol F. : C6H3D3N4O2
Mol W. : 169.16 g/mol
Cas No. : 1185878-99-2
Stock : Enquire
7-Deaza-2-mercapto-hypoxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
7-Deaza-2-mercapto-hypoxanthine

CAT No. : CS-T-51651
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 67831-84-9
Stock : Enquire
7-Methyl Xanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
7-Methyl Xanthine

CAT No. : CS-T-35540
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 552-62-5
Stock : Enquire
8-​Bromoxanthine

XANTHINE IMPURITIES, IMPURITIES
8-​Bromoxanthine

CAT No. : CS-T-94735
Mol F. : C5H3BrN4O2
Mol W. : 231.01 g/mol
Cas No. : Not Available
Stock : Enquire
8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanthine

XANTHINE IMPURITIES, IMPURITIES
8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanthine

CAT No. : CS-T-21002
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 33120-34-2
Stock : Enquire
8-Aminohypoxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
8-Aminohypoxanthine

CAT No. : CS-T-02833
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 45893-20-7
Stock : Enquire
8-Azaxanthine Monohydrate

XANTHINE INTERMEDIATES, INTERMEDIATES
8-Azaxanthine Monohydrate

CAT No. : CS-T-48462
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 59840-67-4
Stock : Enquire
8-Bromo-3-methyl-d3-7-(2-butynyl)-xanthine

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
8-Bromo-3-methyl-d3-7-(2-butynyl)-xanthine

CAT No. : CS-T-100730
Mol F. : C10H6D3BrN4O2
Mol W. : 300.13 g/mol
Cas No. : Not Available
Stock : Enquire
8-Bromo-3-methyl-xanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
8-Bromo-3-methyl-xanthine

CAT No. : CS-O-32157
Mol F. : C₆H₅BrN₄O₂
Mol W. : 245.03 g/mol
Cas No. : 93703-24-3
Stock : IN-Stock
8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine]

XANTHINE FINE CHEMICALS, FINE CHEMICALS
8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine]

CAT No. : CS-O-31413
Mol F. : C10H9BrN4O2
Mol W. : 297.11 g/mol
Cas No. : 666816-98-4
Stock : IN-Stock
8-Bromoxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
8-Bromoxanthine

CAT No. : CS-ED-21760
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 10357-68-3
Stock : Enquire
8-Bromoxanthine-15N2,13C

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
8-Bromoxanthine-15N2,13C

CAT No. : CS-T-100726
Mol F. : C4¹³CH3BrN2¹4N2O2
Mol W. : 231.99 g/mol
Cas No. : Not Available
Stock : Enquire
8-Methoxymethyl-1-methyl-3-(2-methylpropyl) Xanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
8-Methoxymethyl-1-methyl-3-(2-methylpropyl) Xanthine

CAT No. : CS-T-32554
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 78033-08-6
Stock : Enquire
8-Methylxanthine

XANTHINE IMPURITIES, IMPURITIES
8-Methylxanthine

CAT No. : CS-T-102332
Mol F. : C6H6N4O2
Mol W. : 166.14 g/mol
Cas No. : 17338-96-4
Stock : Enquire
9-β-D-Arabinofuranosyl-2-fluorohypoxanthine

XANTHINE INTERMEDIATES, INTERMEDIATES
9-β-D-Arabinofuranosyl-2-fluorohypoxanthine

CAT No. : CS-T-48308
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 83480-48-2
Stock : Enquire
Hypoxanthine

XANTHINE FINE CHEMICALS, FINE CHEMICALS
Hypoxanthine

CAT No. : CS-T-56560
Mol F. : C₅H₄N₄O
Mol W. : 136.11 g/mol
Cas No. : 68-94-0
Stock : IN-Stock
Hypoxanthine 13C3 15N2

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Hypoxanthine 13C3 15N2

CAT No. : CS-O-15457
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 68-94-0 (Unlabeled)
Stock : Enquire
Hypoxanthine D3, OD

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Hypoxanthine D3, OD

CAT No. : CS-R-00599
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 98325-49-6
Stock : Enquire
Hypoxanthine monosodium salt

XANTHINE BUILDING BLOCKS, BUILDING BLOCKS
Hypoxanthine monosodium salt

CAT No. : CS-BX-02541
Mol F. : C5H4N4NaO
Mol W. : 159.10 g/mol
Cas No. : 45738-97-4
Stock : Enquire
Hypoxanthine-13C2,15N (>90%)

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Hypoxanthine-13C2,15N (>90%)

CAT No. : CS-T-102275
Mol F. : C3¹³C2H4N3¹5NO
Mol W. : 139.09 g/mol
Cas No. : 1330265-04-7
Stock : Enquire
Hypoxanthine-d4

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Hypoxanthine-d4

CAT No. : CS-T-95135
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire
N-Nitroso Paraxanthine

XANTHINE IMPURITIES, IMPURITIES
N-Nitroso Paraxanthine

CAT No. : CS-O-45275
Mol F. : C7H7N5O3
Mol W. : 209.17 g/mol
Cas No. : Not Available
Stock : Enquire
Paraxanthine-1-methyl-d3

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Paraxanthine-1-methyl-d3

CAT No. : CS-T-60154
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 188297-90-7
Stock : Enquire
Paraxanthine-d3

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Paraxanthine-d3

CAT No. : CS-T-83931
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 65566-70-3
Stock : Enquire
Temozolomide 2-Azahypoxanthine Impurity

XANTHINE IMPURITIES, IMPURITIES
Temozolomide 2-Azahypoxanthine Impurity

CAT No. : CS-O-08269
Mol F. : C₄H₃N₅O
Mol W. : 137.10 g/mol
Cas No. : 4656-86-4
Stock : IN-Stock
Xanthine

XANTHINE API STANDARDS, API STANDARDS
Xanthine

CAT No. : CS-P-06885
Mol F. : C₅H₄N₄O₂
Mol W. : 152.11 g/mol
Cas No. : 69-89-6
Stock : IN-Stock
Xanthine 15N2

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Xanthine 15N2

CAT No. : CS-O-13466
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 161770-53-2
Stock : Enquire
Xanthine Amine Congener

XANTHINE INTERMEDIATES, INTERMEDIATES
Xanthine Amine Congener

CAT No. : CS-T-88127
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 96865-92-8
Stock : Enquire
Xanthine ClearPure CHR, 99%

XANTHINE BIOCHEMICALS, BIOCHEMICALS
Xanthine ClearPure CHR, 99%

CAT No. : CS-SR-00468
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 69-89-6
Stock : Enquire
Xanthine Oxidase

XANTHINE API STANDARDS, API STANDARDS
Xanthine Oxidase

CAT No. : CS-EP-00571
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 9002-17-9
Stock : Enquire
Xanthine-13C15N2

XANTHINE STABLE ISOTOPES, STABLE ISOTOPES
Xanthine-13C15N2

CAT No. : CS-T-87935
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1262670-81-4
Stock : Enquire