Estrone Pharmaceutical Reference Standards

ESTRONE IMPURITIES, IMPURITIES
"2,4,16a-Tribromo Estrone"


CAT No. : CS-T-62261
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 79258-15-4
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
"2,4-Dibromo-16a-hydroxy Estrone"


CAT No. : CS-T-52519
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 79258-14-3
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
"3-O-Benzyl 15,16-Dehydro Estrone Monoethylene Ketal"


CAT No. : CS-T-48835
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 534572-67-3
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
"4,16a-Dibromo Estrone"


CAT No. : CS-T-52517
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 81072-41-5
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
"8,9-Dehydroestrone 2,4,16,16-D4"


CAT No. : CS-BU-00106
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
(Estrone-d5) 3-Acetate


CAT No. : CS-T-99561
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
∆8,9-Dehydro Estrone-d4


CAT No. : CS-T-99638
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
∆8,9-Dehydro Estrone-d4 3-Sulfate Sodium Salt


CAT No. : CS-T-99314
Mol F. : C18H15D4NaO5S
Mol W. : 374.42 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
16 α-HYDROXY ESTRONE 13C3


CAT No. : CS-R-00128
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1241684-28-5
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
16a-Hydroxy Estrone


CAT No. : CS-T-55996
Mol F. : C18H22O3
Mol W. : 286.4 g/mol
Cas No. : 566-76-7
Stock : Enquire

ESTRONE GLUCURONIDES, GLUCURONIDES
16a-Hydroxyestrone 16-β-D-Glucuronide


CAT No. : CS-T-55997
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 15270-34-5
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
16α-Hydroxyestrone-[2,3,4-13C3] (Solution)


CAT No. : CS-I-00590
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1241684-28-5
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
18a-Methylestrone


CAT No. : CS-T-58194
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 6544-68-9
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
1-Methylestrone


CAT No. : CS-T-81956
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 4011-48-7
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
2,4-Dibromo Estrone


CAT No. : CS-T-52516
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 60788-62-7
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
2-Hydroxy Estrone


CAT No. : CS-T-56001
Mol F. : C₁₈H₂₂O₃
Mol W. : 286.37 g/mol
Cas No. : 362-06-1
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
2-Hydroxy Estrone D4


CAT No. : CS-T-56002
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 81586-97-2
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
2-Hydroxyestrone-1,4-Cysteine


CAT No. : CS-O-35496
Mol F. : C24H32N2O7S2
Mol W. : 524.65 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
2-Hydroxyestrone-1,4-N-acetylcysteine


CAT No. : CS-O-35500
Mol F. : C28H36N2O9S2
Mol W. : 608.72 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
2-Hydroxyestrone-3-methyl Ether-d3


CAT No. : CS-T-96708
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
2-Hydroxy-estrone-6-N3-adenine


CAT No. : CS-T-27350
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 912671-65-9
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
2-Methoxy Estrone


CAT No. : CS-T-32369
Mol F. : C19H24O3
Mol W. : 300.4 g/mol
Cas No. : 362-08-3
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
2-Methoxy-[13C,d3]-estrone


CAT No. : CS-I-00393
Mol F. : C1813CH21D3O3
Mol W. : 304.4 g/mol
Cas No. : 1217460-84-8
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
2-Methoxyestrone-1,4,16,16 D4


CAT No. : CS-O-39550
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
2-Methoxyestrone-1,4,16,16-d4


CAT No. : CS-C-01027
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 949885-90-9
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
2-Methylestrone


CAT No. : CS-TB-93458
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 2626-12-2
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
3-Deshydroxy-3-methoxy Estrone-D3


CAT No. : CS-T-97628
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
3-O-Benzyl 15,16-Dehydro Estrone


CAT No. : CS-T-05532
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 138743-03-0
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
3-O-Benzyl 16a-Hydroxy Estrone


CAT No. : CS-T-48889
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 14982-20-8
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
3-O-Benzyl Estrone


CAT No. : CS-T-05634
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 858-98-0
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
3-O-Benzyl Estrone Monoethylene Ketal


CAT No. : CS-T-48880
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 162784-26-1
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
3-Oleoylestrone-2,4,16,16-d4


CAT No. : CS-C-01099
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 443791-75-1
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
3-O-Methyl Estrone 17-(Ethanediyl Ketal)


CAT No. : CS-T-58190
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 28336-29-0
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
3-O-Methyl Estrone Hydrazone


CAT No. : CS-T-33803
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 105663-60-3
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
3-O-Methyl Estrone-D3


CAT No. : CS-T-58189
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1093230-99-9
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
3-O-Methyl Estrone-d5 (Major)


CAT No. : CS-T-99480
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
3-O-Methyl Estrone-d5 Hydrazone


CAT No. : CS-T-99479
Mol F. : C19H21D5N2O
Mol W. : 303.45 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE STEROIDS, STEROIDS
3-O-Methyl-2-hydroxyestrone


CAT No. : CS-O-43687
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 5976-63-6
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
4-Bromoestrone


CAT No. : CS-T-08456
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1630-82-6
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
4-Formylestrone


CAT No. : CS-T-77603
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 13879-56-6
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
4-Hydroxy Estrone


CAT No. : CS-T-27297
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 3131-23-5
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
4-Hydroxy Estrone 1-N3-Adenine


CAT No. : CS-T-27337
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 488841-24-3
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
4-Hydroxy Estrone 1-N7-Guanine


CAT No. : CS-T-56029
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 178971-92-1
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
4-Hydroxy Estrone-d4


CAT No. : CS-T-56003
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 81586-98-3
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
4-Hydroxyestrone-2-Cysteine


CAT No. : CS-O-35494
Mol F. : C21H27NO5S
Mol W. : 405.51 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
4-Hydroxyestrone-2-N-acetylcysteine


CAT No. : CS-O-35498
Mol F. : C23H29NO6S
Mol W. : 447.54 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
4-Methoxy Estrone


CAT No. : CS-T-31955
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 58562-33-7
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
4-Methoxy Estrone 13C,d3


CAT No. : CS-T-57536
Mol F. : C1813CH21D3O3
Mol W. : 304.40 g/mol
Cas No. : 1217437-34-7
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
4-Methoxyestrone-1,2,16,16-d4


CAT No. : CS-C-01028
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 58562-33-7(unlabelled)
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
4-Methylestrone


CAT No. : CS-T-80722
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 68969-90-4
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
6^GHydroxy Estrone


CAT No. : CS-T-56000
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1229-25-0
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
6a-Hydroxy Estrone


CAT No. : CS-T-55999
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1476-78-4
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
6-Dehydroestrone


CAT No. : CS-T-73354
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 2208-12-0
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
6-Keto Estrone


CAT No. : CS-T-30320
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1476-34-2
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
8,9 Dehydroestrone sulfate sodium


CAT No. : CS-O-10355
Mol F. : C₁₈H₁₉NaO₅S
Mol W. : 370.40, 347.41 (free acid) g/mol
Cas No. : 61612-83-7
Stock : Enquire

ESTRONE API STANDARDS, API STANDARDS
Estrone


CAT No. : CS-O-10855
Mol F. : C₁₈H₂₂O₂
Mol W. : 270.37 g/mol
Cas No. : 53-16-7
Stock : IN-Stock

ESTRONE IMPURITIES, IMPURITIES
Estrone 17-Ethylene Ketal


CAT No. : CS-T-54274
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 900-83-4
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
Estrone 3-3' Dimer


CAT No. : CS-F-00186
Mol F. : C36H42O3
Mol W. : 522.73434 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
Estrone 3-O-Sulfamate


CAT No. : CS-T-22198
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 148672-09-7
Stock : Enquire

ESTRONE INTERMEDIATES, INTERMEDIATES
Estrone 3-Sulfate Potassium Salt


CAT No. : CS-T-92373
Mol F. : C₁₈H₂₁KO₅S
Mol W. : 388.52 g/mol
Cas No. : 1240-04-6
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone 3-Sulfate-d5 Sodium Salt


CAT No. : CS-T-95261
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
Estrone 3-Valerate


CAT No. : CS-T-22203
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 128788-26-1
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
Estrone Acetate


CAT No. : CS-P-07821
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 901-93-9
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone D2


CAT No. : CS-T-54272
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 56588-58-0
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone D4


CAT No. : CS-T-54273
Mol F. : C₁₈H₁₈D₄O₂
Mol W. : 274.39 g/mol
Cas No. : 53866-34-5
Stock : IN-Stock

ESTRONE INTERMEDIATES, INTERMEDIATES
Estrone Enol Diacetate


CAT No. : CS-T-54197
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 20592-42-1
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
Estrone sulfate


CAT No. : CS-EK-00704
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 481-97-0
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone Sulfate D4


CAT No. : CS-EO-03542
Mol F. : C18H18D4O5S
Mol W. : 354.5 g/mol
Cas No. : 735254-54-3
Stock : Enquire

ESTRONE GLUCURONIDES, GLUCURONIDES
Estrone-β-D-Glucuronide Triacetate Methyl Ester


CAT No. : CS-T-54271
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 27537-72-0
Stock : Enquire

ESTRONE USP STANDARDS, USP STANDARDS
Estrone(1255001)


CAT No. : CS-EB-02741
Mol F. : C18H22O2
Mol W. : 270.4 g/mol
Cas No. : 53-16-7
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-(13,14,15,16,17,18-13C6)


CAT No. : CS-T-99562
Mol F. : Not Available
Mol W. : Not Available
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone, 3-methyl-[13C,D3] ether


CAT No. : CS-I-00081
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1261254-60-7
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-[2,3,4-13C3]


CAT No. : CS-I-00582
Mol F. : C15¹³C3H22O2
Mol W. : 273.35 g/mol
Cas No. : 1241684-29-6
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-2,3,4-13C3


CAT No. : CS-BX-00271
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1241684-29-6
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-2,4-d2


CAT No. : CS-T-94790
Mol F. : C18H20D2O2
Mol W. : 272.38 g/mol
Cas No. : 350820-16-5
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
Estrone-3-Methyl Ether


CAT No. : CS-O-30580
Mol F. : C19H24O2
Mol W. : 284.39 g/mol
Cas No. : 1624-62-0
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-3-sulfate-d5 Sodium Salt


CAT No. : CS-O-36897
Mol F. : C18H16D5NaO5S
Mol W. : 377.44 g/mol
Cas No. : 2734919-86-7
Stock : Enquire

ESTRONE IMPURITIES, IMPURITIES
Estrone-3-sulphate sodium


CAT No. : CS-O-11642
Mol F. : C₁₈H₂₂NaO₅S
Mol W. : 373.42 g/mol
Cas No. : 438-67-5
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-D4 Glucuronide


CAT No. : CS-CX-00707
Mol F. : C24H26D4O8
Mol W. : 450.52 g/mol
Cas No. : 2479-90-5 (Unlabeled)
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-D4 IN ACETONITRILE 100 μG/ML


CAT No. : CS-O-48173
Mol F. : C18H18D4O2
Mol W. : 274.4 g/mol
Cas No. : 53866-34-5
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-D5


CAT No. : CS-EO-01356
Mol F. : C18H17D5O2
Mol W. : 275.4 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-d5 β-D-Glucuronide Sodium Salt


CAT No. : CS-T-98462
Mol F. : C24H24D5NaO8
Mol W. : 473.5 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-D6


CAT No. : CS-EO-02526
Mol F. : C18H18D6O2
Mol W. : 278.22 g/mol
Cas No. : Not Available
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-d7


CAT No. : CS-O-47376
Mol F. : C18H15D7O2
Mol W. : 277.41 g/mol
Cas No. : 53-16-7 (unlabeled)
Stock : Enquire

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Estrone-O-β-D-Glucuronide-d4


CAT No. : CS-O-36898
Mol F. : C₂₄H₂₆D₄O₈
Mol W. : 450.52 g/mol
Cas No. : 870061-18-0
Stock : IN-Stock

ESTRONE GLUCURONIDES, GLUCURONIDES
Estrone-β-D-Glucuronide Sodium Salt


CAT No. : CS-O-30509
Mol F. : C24H29NaO8
Mol W. : Not Available
Cas No. : 15087-01-1
Stock : IN-Stock

ESTRONE GLUCURONIDES, GLUCURONIDES
Estrone-β-Glucuronide


CAT No. : CS-BV-00038
Mol F. : C₂₄H₃₀O₈
Mol W. : 446.50 g/mol
Cas No. : 2479-90-5
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Sodium Estrone D4 Sulfate


CAT No. : CS-O-06594
Mol F. : C₁₈H₁₇D₄NaO₅S
Mol W. : 376.44 g/mol
Cas No. : 285979-80-8
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Sodium Estrone Sulfate D2


CAT No. : CS-O-49826
Mol F. : -
Mol W. : - g/mol
Cas No. : 438-67-5(Unlabelled)
Stock : Enquire

ESTRONE METABOLITES, METABOLITES
Δ 8,9-Dehydro Estrone


CAT No. : CS-O-07823
Mol F. : C18H20O2
Mol W. : 268.35 g/mol
Cas No. : 474-87-3
Stock : IN-Stock

ESTRONE STABLE ISOTOPES, STABLE ISOTOPES
Δ8,9-Dehydro Estrone D2


CAT No. : CS-O-10087
Mol F. : C18H18D2O2
Mol W. : 270.36 g/mol
Cas No. : 1219799-27-5
Stock : IN-Stock