Cas no 34209-81-9 (16,17-Epoxypregnenolone Acetate)
16,17-Epoxypregnenolone Acetate is a steroidal intermediate widely used in organic synthesis and pharmaceutical research. This compound features a highly reactive epoxide group at the C16-C17 position, making it a valuable precursor for the preparation of various biologically active steroids, including corticosteroids and other hormone derivatives. The acetate moiety enhances its stability and solubility, facilitating handling and storage. Its well-defined structure and high purity ensure consistent performance in synthetic applications. Researchers utilize this compound for its versatility in modifying steroid frameworks, enabling the development of novel therapeutic agents. Its role in advancing steroid chemistry underscores its importance in both academic and industrial settings.
34209-81-9 structure
Product Name:16,17-Epoxypregnenolone Acetate
CAS No:34209-81-9
MF:C23H32O4
MW:372.497787475586
MDL:MFCD00135637
CID:54207
PubChem ID:87569335
Update Time:2025-06-07
16,17-Epoxypregnenolone Acetate Chemical and Physical Properties
Names and Identifiers
-
- 3b-Acetoxy-16a,17-epoxypregn-5-en-20-one
- 16-alpha,17-alpha-epoxy-20-oxopregn-5-en-3-beta-yl acetate
- 16,17-Epoxypregnenolone acetate
- 16α,17α-Epoxypregnenolone acetate
- (±)-Epichlorohydrin
- 16,17-α-Epoxypregnenolone acetate
- 16a-17a-epoxypregnenoloneacetate
- 16ALPHA,17ALPHA-EPOXYPREGNENOLONE ACETATE
- 16alpha,17-Epoxy-3beta-Hydrox
- 3b-Acetoxy-16a,17a-Epoxy-5-Pregnen-20-One
- EPOXYPREGNENOLONE ACETATE
- 16a,17a-Epoxy-20-oxopregn-5-en-3b-yl acetate
- CID 134611731
- Pregn-5-en-20-one, 3-(acetyloxy)-16,17-epoxy-, (3.beta.,16.alpha.)-
- 16α,17-Epoxy-3β-hydroxy-5-pregnen-20-one acetate
- 3β-Acetoxy-16α,17α-epoxy-5-pregnen-20-one
- 3BETA-ACETOXY-16ALPHA,17ALPHA-EPOXY-5-PREGNEN-20-ONE
- 5-PREGNEN-16ALPHA,17ALPHA-EPOXY-3BETA-OL-20-ONE 3-ACETATE
- 5-PREGNEN-16,17-EPOXY-3-BETA-OL-20-ONE ACETATE
- Pregn-5-en-20-one, 3-(acetyloxy)-16,17-epoxy-, (3
- A)-
- NSC 21455
- SCHEMBL11213362
- [(1R,2S,4R,6S,7S,10S,11R,14S)-6-acetyl-7,11-dimethyl-5-oxapentacyclo[8.8.0.02,7.04,6.011,16]octadec-16-en-14-yl] acetate
- 16alpha,17alpha-Epoxy-20-oxopregn-5-en-3beta-yl acetate
- T72332
- AKOS025310678
- A875068
- Pregn-5-en-20-one, 3-(acetyloxy)-16,17-epoxy-, (3beta,16alpha)-
- PD087224
- A,16
- 16A-17A-epoxypregnenolone acetate
- AMY25646
- 34209-81-9
- CHEBI:34169
- MFCD00135637
- Acetic acid (3S,8R,10R,13S,16R,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-20-oxa-cyclopropa[16,17]cyclopenta[a]phenanthren-3-yl ester
- Q27115864
- A,17
- A-Epoxypregnenolone acetate
- NS00060656
- 16
- (1R,2S,4R,6S,7S,10S,11R,14S)-6-ACETYL-7,11-DIMETHYL-5-OXAPENTACYCLO[8.8.0.0(2),?.0?,?.0(1)(1),(1)?]OCTADEC-16-EN-14-YL ACETATE
- YRLVTBXOGJMZNC-QHKUYLHMSA-N
- 16,17-Epoxypregnenolone Acetate
-
- MDL： MFCD00135637
- Inchi： 1S/C23H32O4/c1-13(24)23-20(27-23)12-19-17-6-5-15-11-16(26-14(2)25)7-9-21(15,3)18(17)8-10-22(19,23)4/h5,16-20H,6-12H2,1-4H3/t16-,17+,18-,19-,20+,21-,22-,23+/m0/s1
- InChI Key： YRLVTBXOGJMZNC-QHKUYLHMSA-N
- SMILES： O1[C@@H]2C[C@H]3[C@@H]4CC=C5C[C@H](CC[C@]5(C)[C@H]4CC[C@]3(C)[C@]12C(C)=O)OC(C)=O
Computed Properties
- Exact Mass: 372.23000
- Monoisotopic Mass: 372.23
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 0
- Hydrogen Bond Acceptor Count: 4
- Heavy Atom Count: 27
- Rotatable Bond Count: 3
- Complexity: 741
- Covalently-Bonded Unit Count: 1
- Defined Atom Stereocenter Count: 8
- Undefined Atom Stereocenter Count : 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Surface Charge: 0
- Tautomer Count: 2
- XLogP3: 3.5
- Topological Polar Surface Area: 55.9
Experimental Properties
- Color/Form: Not determined
- Density: 1.1800
- Melting Point: 157.0 to 162.0 deg-C
- Boiling Point: 469.5±45.0 °C at 760 mmHg
- Flash Point: 202.5±28.8 °C
- Refractive Index: 1.557
- PSA: 55.90000
- LogP: 4.21740
- Solubility: Not determined
16,17-Epoxypregnenolone Acetate Security Information
- Signal Word：warning
- Hazard Statement： H303May be harmful if swallowed+H313Skin contact may be harmful+H333Inhalation may be harmful to the body
-
Warning Statement：
P264Thoroughly clean after treatment
P280Wear protective gloves/Wear protective clothing/Wear protective goggles/Wear a protective mask
P305If it enters the eyes
P351Rinse carefully with water for a few minutes
P338Remove the contact lens(If any)And easy to operate,Continue flushing
P337If eye irritation persists
P313Obtain medical advice/care - WGK Germany：3
- Safety Instruction： H303May be harmful if swallowed+H313Skin contact may be harmful+H333Inhalation may be harmful to the body
- Regulatory Condition Code：Class Q (sugars, alkaloids, antibiotics, hormones)
- Storage Condition：?20°C
16,17-Epoxypregnenolone Acetate Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| Chemenu | CM276352-100g |
16alpha,17alpha-Epoxypregnenolone acetate |
34209-81-9 | 97% | 100g |
$443 | 2021-06-09 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | E0015-100mg |
16,17-Epoxypregnenolone Acetate |
34209-81-9 | 95.0%(GC) | 100mg |
￥175.0 | 2022-05-30 | |
| SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd. | E41290-1g |
16,17-Epoxypregnenolone acetate |
34209-81-9 | 95% | 1g |
￥228.0 | 2023-09-08 | |
| SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd. | E41290-5g |
16,17-Epoxypregnenolone acetate |
34209-81-9 | 95% | 5g |
￥208.0 | 2023-09-08 | |
| Chemenu | CM276352-100g |
16alpha,17alpha-Epoxypregnenolone acetate |
34209-81-9 | 97% | 100g |
$*** | 2023-05-30 | |
| TI XI AI ( SHANG HAI ) HUA CHENG GONG YE FA ZHAN Co., Ltd. | E0015-100MG |
16,17-Epoxypregnenolone Acetate |
34209-81-9 | >95.0%(GC) | 100mg |
￥170.00 | 2023-09-08 | |
| SHANG HAI HAO HONG Biomedical Technology Co., Ltd. | 1101608-100mg |
16α,17α-Epoxypregnenolone acetate |
34209-81-9 | 98% | 100mg |
￥244.00 | 2024-05-18 | |
| SHANG HAI YI EN HUA XUE JI SHU Co., Ltd. | R020971-1g |
16,17-Epoxypregnenolone Acetate |
34209-81-9 | 95% | 1g |
￥211 | 2023-09-09 | |
| SHANG HAI YI EN HUA XUE JI SHU Co., Ltd. | R020971-5g |
16,17-Epoxypregnenolone Acetate |
34209-81-9 | 95% | 5g |
￥469 | 2023-09-09 | |
| SHENG KE LU SI SHENG WU JI SHU | sc-224978-5 g |
16α,17α-Epoxypregnenolone acetate, |
34209-81-9 | 5g |
￥218.00 | 2023-07-11 |
16,17-Epoxypregnenolone Acetate Related Literature
-
1. Steroid conformations in solid and solution: stereoselective synthesis of (20S)- and (20R)-[20-methyl-labelled]-20-methylpregn-5-ene-3β,17α,20-triolYoshio Osawa,Takuo Makino,Kenyu Shibata,Charles M. Weeks,William L. Duax J. Chem. Soc. Chem. Commun. 1976 991
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