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ChemicalBook >> CAS DataBase List >>3-keto-23,24-bisnorchol-4-en-22-ol

3-keto-23,24-bisnorchol-4-en-22-ol

3-keto-23,24-bisnorchol-4-en-22-ol Structure
3-keto-23,24-bisnorchol-4-en-22-ol structure
CAS No.
40736-33-2
Chemical Name:
3-keto-23,24-bisnorchol-4-en-22-ol
Synonyms
(20S)-21-Hydroxy-20-Methylpregn-4-en-3-one;Estradiol Impurity VII;Progesterone Impurity 69;Progesterone Impurity 38;Progesterone Impurity N2;Stigmasterol Impurity 10;23,24-Bisnorchol-4-en-3-on-22-ol;3-keto-23,24-bisnorchol-4-en-22-ol;21-hydroxy-20-methylpregn-4-ene-3-one,BA;Pregn-4-en-3-one, 21-hydroxy-20-methyl-, (20S)-
CBNumber:
CB81320862
Molecular Formula:
C22H34O2
Molecular Weight:
330.5
MDL Number:
MFCD30719868
MOL File:
40736-33-2.mol
MSDS File:
SDS
Last updated:2026-01-13 11:21:52
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3-keto-23,24-bisnorchol-4-en-22-ol Properties

Melting point 178-180 °C
Boiling point 464.1±14.0 °C(Predicted)
Density 1.07±0.1 g/cm3(Predicted)
solubility Chloroform (Slightly), Ethyl Acetate (Slightly)
form Solid
pka 14.97±0.10(Predicted)
color White to Off-White
InChIKey ZNWOYQVXPIEQRC-HOFZUOGSSA-N
SMILES C1(=O)C=C2[C@](C)(CC1)[C@]1([H])[C@]([H])([C@@]3([H])[C@@](CC1)(C)[C@@H]([C@H](C)CO)CC3)CC2

3-keto-23,24-bisnorchol-4-en-22-ol price More Price(14)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-H948415-10MG (20S)-21-Hydroxy-20-methylpregn-4-en-3-one 40736-33-2 10mg $234 2026-06-03 Buy
TRC TRC-H948415-100MG (20S)-21-Hydroxy-20-methylpregn-4-en-3-one 40736-33-2 100mg $1821 2026-06-03 Buy
Biosynth QBA73633 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one 40736-33-2 50mg $753 2026-06-04 Buy
Biosynth QBA73633 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one 40736-33-2 100mg $1204 2026-06-04 Buy
aablocks AA00C9F9 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one >97% 40736-33-2 100mg $70 2026-05-28 Buy
Product number Packaging Price Buy
TRC-H948415-10MG 10mg $234 Buy
TRC-H948415-100MG 100mg $1821 Buy
QBA73633 50mg $753 Buy
QBA73633 100mg $1204 Buy
AA00C9F9 100mg $70 Buy

3-keto-23,24-bisnorchol-4-en-22-ol Chemical Properties, Uses, Production

Uses

(20S)-21-Hydroxy-20-methylpregn-4-en-3-one is a side chain degradation product of natural sterols. It is also an intermediate in the preparation of follicular fluid-meiosis activating sterol.

3-keto-23,24-bisnorchol-4-en-22-ol Preparation Products And Raw materials

Raw materials

Preparation Products

BISNORCHOLENALDEHYDE

3-keto-23,24-bisnorchol-4-en-22-ol Suppliers

Global Suppliers ( 43)
Supplier Tel Email Country ProdList Advantage
Wuhan yuqing jiaheng pharmaceutical co. LTD 027-83855389 13545340383 2586905842@qq.com China 998 58
Shanghai xinchenfa Chemical Technology Co.,Ltd 021-13564487020 13564487020 3546809660@qq.com China 498 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky (shanghai) International Co.,Ltd 021-50135380 shchemsky@sina.com China 15350 60
Shanghai TaoSu Biochemical Technology Co., Ltd. 021-33632979 info@tsbiochem.com China 8039 58
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Finetech Industry Limited 027-87465837 19945049750 sales@finetechnology-ind.com China 9331 58
Shandong Boluoda Biological Technology Co., Ltd. 0531-68651502 2310993908@qq.com China 3228 58
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
BOC Sciences 16314854226 info@bocsci.com United States 9909 65
Supplier Advantage
Wuhan yuqing jiaheng pharmaceutical co. LTD 58
Shanghai xinchenfa Chemical Technology Co.,Ltd 58
J & K SCIENTIFIC LTD. 76
Chemsky (shanghai) International Co.,Ltd 60
Shanghai TaoSu Biochemical Technology Co., Ltd. 58
Quality Control Solutions Ltd. 56
Finetech Industry Limited 58
Shandong Boluoda Biological Technology Co., Ltd. 58
Shanghai Kewel Chemical Co., Ltd. 50
BOC Sciences 65

View Latest Price from 3-keto-23,24-bisnorchol-4-en-22-ol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-keto-23,24-bisnorchol-4-en-22-ol pictures 2026-06-30 3-keto-23,24-bisnorchol-4-en-22-ol
40736-33-2
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd

40736-33-2 (3-keto-23,24-bisnorchol-4-en-22-ol) Related Search:

3alpha,20alpha-Dihydroxy-5beta-pregnane 3-glucuronide 20-(Hydroxymethyl)pregna-1,4-dien-3-one 21-hydroxy-20-methylpregna-1,4-dien-3-one Progesterone EP Impurity G Pregnenolone acetate
3-keto-23,24-bisnorchol-4-en-22-ol 23,24-Bisnorchol-4-en-3-on-22-ol Stigmasterol Related Compound ((20S)-21-Hydroxy-20-Methylpregn-4-en-3-one) Stigmasterol Related Compound 1 ((20S)-21-Hydroxy-20-Methylpregn-4-en-3-one) Pregn-4-en-3-one, 21-hydroxy-20-methyl-, (20S)- (20S)-21-HYDROXY-20-METHYLPREGN-4-EN-3-ONE(STIGMASTEROL RELATED COMPOUND) Progesterone Impurity 38 (8S,9S,10R,13S,14S,17R)-17-[(S)-1-hydroxy-2-propyl]-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one Progesterone Impurity 69 21-hydroxy-20-methylpregn-4-ene-3-one,BA Estradiol Impurity VII Progesterone Impurity N2 (10R,13S)-17-(1-hydroxypropan-2-yl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one Stigmasterol Impurity 10 (20S)-21-Hydroxy-20-Methylpregn-4-en-3-one (8S,9S,10R,13S,14S,17R)-17-((S)-1-hydroxypropan-2-yl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one 40736-33-2 Pharmaceuticals, Intermediates & Fine Chemicals, Steroids