21-Hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate - ≥98% , CAS No.37413-91-5

CAS: 37413-91-5 Cat. No.: A303590 Molecular Weight: 366.45 EC Number: 253-497-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
AKOS016003151 | D92995 | 3,20-dioxopregna-1,4,9(11),16-tetraen-21-yl acetate | AMY28659 | Pregna-1,4,9(11),16-tetraene-3,20-dione,21-(acetyloxy)- | A874119 | SCHEMBL8752386 | 21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione | PD157634 | DTXSID60190855 |
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
A303590-1g
5
$23.90
5g
A303590-5g
4
$69.90
25g
A303590-25g
1
$240.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Desiccated 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.

Specifications

Synonyms
AKOS016003151 | D92995 | 3, 20-dioxopregna-1, 4, 9(11), 16-tetraen-21-yl acetate | AMY28659 | Pregna-1, 4, 9(11), 16-tetraene-3, 20-dione, 21-(acetyloxy)- | A874119 | SCHEMBL8752386 | 21-Acetoxypregna-1, 4, 9(11), 16-tetraene-3, 20-dione | PD157634 | DTXSID60190855 |
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
21-Acetoxypregna-1, 4, 9(11), 16-tetraene-3, 20-dione is an intermediate of delta 9, 11 steroids synthesis, for example, Vamorolone (HY-109017). The delta 9, 11 steroids are modifications of glucocorticoids and has anti-inflammatory properties. The delta 9, 11 s
Storage
Store at -20°C, Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
AGONIST
Purity
≥98%
Names and Identifiers
Pubchem Sid488196938
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488196938
Canonical SmilesCC(=O)OCC(=O)C1=CCC2C1(CC=C3C2CCC4=CC(=O)C=CC43C)C
IUPAC Name[2-[(8S,10S,13S,14S)-10,13-dimethyl-3-oxo-6,7,8,12,14,15-hexahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
InChIKeyUFEOMHFPJREVTP-PTRHGPIFSA-N
INCHI1S/C23H26O4/c1-14(24)27-13-21(26)20-7-6-18-17-5-4-15-12-16(25)8-10-22(15,2)19(17)9-11-23(18,20)3/h7-10,12,17-18H,4-6,11,13H2,1-3H3/t17-,18-,22-,23-/m0/s1
Isomeric SMILES CC(=O)OCC(=O)C1=CC[C@@H]2[C@@]1(CC=C3[C@H]2CCC4=CC(=O)C=C[C@@]43C)C
Molecular Weight 366.45
Reaxy-Rn 2019003
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2019003&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

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 20-oxosteroids  3-oxo delta-1,4-steroids  Delta-1,4-steroids  Alpha-acyloxy ketones  Cyclic ketones  Carboxylic acid esters  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic homopolycyclic compounds
Substituents Progestogin-skeleton - 20-oxosteroid - 3-oxo-delta-1,4-steroid - 3-oxosteroid - Oxosteroid - Delta-1,4-steroid - Alpha-acyloxy ketone - Carboxylic acid ester - Cyclic ketone - Ketone - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Hydrocarbon derivative - Organic oxygen compound - Carbonyl group - Organooxygen compound - Organic oxide - 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 Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
NR3C1 Tclin Glucocorticoid receptor (14987 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

10 results found

Lot NumberCertificate TypeDateItem
F2325180Certificate of AnalysisApr 02, 2026 A303590
F2325186Certificate of AnalysisApr 02, 2026 A303590
F2325301Certificate of AnalysisApr 02, 2026 A303590
F2325302Certificate of AnalysisApr 02, 2026 A303590
F2325303Certificate of AnalysisApr 02, 2026 A303590
F2325304Certificate of AnalysisApr 02, 2026 A303590
C2308755Certificate of AnalysisDec 12, 2025 A303590
J2115350Certificate of AnalysisAug 13, 2024 A303590
J2115369Certificate of AnalysisAug 13, 2024 A303590
J2115411Certificate of AnalysisAug 13, 2024 A303590
Chemical and Physical Properties
Flash Point(°C)233.1°C
Boil Point(°C)534.6°C
Molecular Weight366.400 g/mol
XLogP33.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass366.183 Da
Monoisotopic Mass366.183 Da
Topological Polar Surface Area60.400 Ų
Heavy Atom Count27
Formal Charge0
Complexity856.000
Isotope Atom Count0
Defined Atom Stereocenter Count4
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
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.