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· · COA & SDS available for every product · Same-day shipping on in-stock items 21-Hydroxypregnenolone - ≥95% , CAS No.1164-98-3
Synonyms
EA039D84-79F8-4E8B-9C7F-A8B8117EE51F | GBA | 3b,21-Dihydroxy-5-pregnen-20-one | 3b,21-dihydroxy-Pregn-5-en-20-one | (3beta)-3,21-dihydroxypregn-5-en-20-one | 21-Hydroxypregnenolone | 5-Pregnen-3.beta.,21-diol-20-one | Pregn-5-en-20-one, 3,21-dihydroxy-, (
Storage
Store at 2-8°C,Argon charged
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Why this grade ≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
EA039D84-79F8-4E8B-9C7F-A8B8117EE51F | GBA | 3b, 21-Dihydroxy-5-pregnen-20-one | 3b, 21-dihydroxy-Pregn-5-en-20-one | (3beta)-3, 21-dihydroxypregn-5-en-20-one | 21-Hydroxypregnenolone | 5-Pregnen-3.beta., 21-diol-20-one | Pregn-5-en-20-one, 3, 21-dihydroxy-, (
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers Pubchem Sid 504758088 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504758088 Canonical Smiles CC12CCC3C(C1CCC2C(=O)CO)CC=C4C3(CCC(C4)O)C IUPAC Name 2-hydroxy-1-[(3S,8S,9S,10R,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone InChIKey MOIQRAOBRXUWGN-WPWXJNKXSA-N INCHI 1S/C21H32O3/c1-20-9-7-14(23)11-13(20)3-4-15-16-5-6-18(19(24)12-22)21(16,2)10-8-17(15)20/h3,14-18,22-23H,4-12H2,1-2H3/t14-,15-,16-,17-,18+,20-,21-/m0/s1 Isomeric SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(=O)CO)CC=C4[C@@]3(CC[C@@H](C4)O)C Molecular Weight 332.48 Reaxy-Rn 2061604 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2061604&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Lipids and lipid-like molecules Class Steroids and steroid derivatives Subclass Hydroxysteroids Intermediate Tree Nodes Not available Direct Parent 21-hydroxysteroids Alternative Parents Gluco/mineralocorticoids, progestogins and derivatives 20-oxosteroids 3-beta-hydroxysteroids 3-beta-hydroxy delta-5-steroids Delta-5-steroids Alpha-hydroxy ketones Secondary alcohols Cyclic alcohols and derivatives Primary alcohols Organic oxides Hydrocarbon derivatives Molecular Framework Aliphatic homopolycyclic compounds Substituents 21-hydroxysteroid - Progestogin-skeleton - Pregnane-skeleton - 20-oxosteroid - 3-hydroxy-delta-5-steroid - 3-hydroxysteroid - 3-beta-hydroxysteroid - 3-beta-hydroxy-delta-5-steroid - Oxosteroid - Delta-5-steroid - Alpha-hydroxy ketone - Cyclic alcohol - Secondary alcohol - Ketone - Organic oxygen compound - Organooxygen compound - Primary alcohol - Carbonyl group - Hydrocarbon derivative - Alcohol - Organic oxide - Aliphatic homopolycyclic compound Description This compound belongs to the class of organic compounds known as 21-hydroxysteroids. These are steroids carrying a hydroxyl group at the 21-position of the steroid backbone. External Descriptors C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(Human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solubility Chloroform (Sparingly), DMSO (Slightly), Methanol (Slightly) Melt Point(°C) 181.59° C Molecular Weight 332.500 g/mol XLogP3 3.600 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 3 Rotatable Bond Count 2 Exact Mass 332.235 Da Monoisotopic Mass 332.235 Da Topological Polar Surface Area 57.500 Ų Heavy Atom Count 24 Formal Charge 0 Complexity 567.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 7 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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