4-Pregnen-17α,20β-diol-3-one - ≥96% , CAS No.1662-06-2

CAS: 1662-06-2 Cat. No.: P336943 Molecular Weight: 332.48 PubChem CID: 107701
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
17,20beta-dihydroxypregn-4-en-3-one | 17-DHP | Pregn-4-en-3-one, 17,20-dihydroxy-, (20R)- | SCHEMBL7063502 | 17??,20??-Dihydroxy-4-pregnen-3-one | 17alpha,20beta-Dihydroxy-4-pregnen-3-one, crystalline | J-010264 | 17alpha, 20beta-DIHYDROXYPROGESTERONE | 1
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
P336943-1mg
3
$47.90
5mg
P336943-5mg
3
$208.90
10mg
P336943-10mg
3
$269.90
25mg
P336943-25mg
2
$599.90
50mg
P336943-50mg
2
$863.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

4-Pregnen-17α,20β-diol-3-one is a C-21 steroid hormone that supports embryogenesis in various species. It has been demonstrated to aid in the development of the fetus by raising EGF-1 levels, regulating the immune response and numerous other effects.


Application

4-Pregnen-17α,20β-diol-3-one (cas# 1662-06-2) is a derivative of 17α-Hydroxy Progesterone (H952330), which is a metabolite of Progesterone (P755900). It can also be used as an antagonist of cb1 receptor for therapeutic use.

Specifications

Synonyms
17, 20beta-dihydroxypregn-4-en-3-one | 17-DHP | Pregn-4-en-3-one, 17, 20-dihydroxy-, (20R)- | SCHEMBL7063502 | 17??, 20??-Dihydroxy-4-pregnen-3-one | 17alpha, 20beta-Dihydroxy-4-pregnen-3-one, crystalline | J-010264 | 17alpha, 20beta-DIHYDROXYPROGESTERONE | 1
Specifications & Purity
≥96%
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥96%
Names and Identifiers
Pubchem Sid504756627
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504756627
Canonical SmilesCC(C1(CCC2C1(CCC3C2CCC4=CC(=O)CCC34C)C)O)O
IUPAC Name(8R,9S,10R,13S,14S,17R)-17-hydroxy-17-[(1R)-1-hydroxyethyl]-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
InChIKeyMASCESDECGBIBB-FSHQYNQFSA-N
INCHI1S/C21H32O3/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h12-13,16-18,22,24H,4-11H2,1-3H3/t13-,16-,17+,18+,19+,20+,21+/m1/s1
Isomeric SMILES C[C@H]([C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C)O)O
WGK Germany 3
PubChem CID 107701
Molecular Weight 332.48

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

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
SubclassPregnane steroids
Intermediate Tree Nodes Not available
Direct ParentGluco/mineralocorticoids, progestogins and derivatives
Alternative Parents 3-oxo delta-4-steroids  17-hydroxysteroids  Delta-4-steroids  Cyclohexenones  Tertiary alcohols  Secondary alcohols  Cyclic alcohols and derivatives  1,2-diols  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic homopolycyclic compounds
Substituents Progestogin-skeleton - 20-hydroxysteroid - 3-oxo-delta-4-steroid - 3-oxosteroid - 17-hydroxysteroid - Oxosteroid - Hydroxysteroid - Delta-4-steroid - Cyclohexenone - Cyclic alcohol - Tertiary alcohol - 1,2-diol - Cyclic ketone - Secondary alcohol - Ketone - Hydrocarbon derivative - Carbonyl group - Organic oxygen compound - Organic oxide - Organooxygen compound - Alcohol - Aliphatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety.
External Descriptors C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

12 results found

Lot NumberCertificate TypeDateItem
C2303917Certificate of AnalysisDec 16, 2025 P336943
C2303930Certificate of AnalysisDec 16, 2025 P336943
C2303936Certificate of AnalysisDec 16, 2025 P336943
C2303937Certificate of AnalysisDec 16, 2025 P336943
C2303943Certificate of AnalysisDec 16, 2025 P336943
D2617011Certificate of AnalysisApr 22, 2025 P336943
E2506455Certificate of AnalysisApr 22, 2025 P336943
E2506456Certificate of AnalysisApr 22, 2025 P336943
E2506461Certificate of AnalysisApr 22, 2025 P336943
E2506464Certificate of AnalysisApr 22, 2025 P336943
E2506465Certificate of AnalysisApr 22, 2025 P336943
K2401038Certificate of AnalysisSep 30, 2022 P336943

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Chemical and Physical Properties
SolubilitySoluble in Methanol
SensitivityLight sensitive
Boil Point(°C)~487.1° C at 760 mmHg (Predicted)
Melt Point(°C)201-203° C
Molecular Weight332.500 g/mol
XLogP32.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass332.235 Da
Monoisotopic Mass332.235 Da
Topological Polar Surface Area57.500 Ų
Heavy Atom Count24
Formal Charge0
Complexity596.000
Isotope Atom Count0
Defined Atom Stereocenter Count7
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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