5A-pregnane-3-20-dione-allo (CAS 566-65-4) — formula C21H32O2, molecular weight 316.5; category organic chemicals.
5A-pregnane-3-20-dione-allo (CAS 566-65-4) is a chemical raw material in the organic chemicals category. Its molecular formula C21H32O2 comprises 21 C, 32 H, 2 O atoms. Its molecular weight is about 316.5. Reported physicochemical data: melting point around 200 °C, LogP about 4.4. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 566-65-4 |
|---|---|
| Molecular Formula | C21H32O2 |
| Molecular Weight | 316.5 |
| Melting Point | 200 °C |
| LogP | 4.4 |
| Category | Organic Chemicals |
5A-pregnane-3-20-dione-allo is a carbon-based organic compound with CAS registry number 566-65-4 and molecular formula C21H32O2 (molecular weight 316.5), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 566-65-4
Its molecular formula C21H32O2 comprises 21 C, 32 H, 2 O atoms.
Also known as: 5A-pregnane-3-20-dione-allo · Pregnane-3,20-dlone
Category: organic chemicals
The CAS registry number of 5A-pregnane-3-20-dione-allo is 566-65-4.
Molecular formula C21H32O2, molecular weight 316.5.
It is also registered under: 5A-pregnane-3-20-dione-allo, Pregnane-3,20-dlone.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 5A-pregnane-3-20-dione-allo (CAS 566-65-4), compiled from public chemistry databases.
| CAS Registry Number | 566-65-4 |
|---|---|
| PubChem CID | 92810 |
| Molecular formula | C21H32O2 |
| IUPAC name | (5S,8R,9S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one |
| UNII (FDA) | 98G4S1OH0Z |
| Molecular Weight | 316.5 |
|---|---|
| XLogP3 | 4.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 316.240230259 |
| Monoisotopic Mass | 316.240230259 |
| Topological Polar Surface Area | 34.1 |
| Heavy Atom Count | 23 |
| Melting Point | 200 °C |
|---|
566-65-4; 5alpha-Pregnane-3,20-dione; 3,20-Allopregnanedione; 5-alpha-Dihydroprogesterone; 5alpha-Dihydroprogesterone; 3,20-Dioxo-5alpha-pregnane; 98G4S1OH0Z; DTXSID301017277; NSC-18319; CHEBI:28952; 5alpha DHP; 5alpha-DHP; 5beta DHP; 5beta-DHP; 5 alpha Pregnanedione; 5-alpha-Pregnanedione
| GHS notification summary | 50% (1 / 2) |
|---|
| GHS notification summary | 50% (1 / 2) |
|---|---|
| Reported hazard statements | H302 (50%), H312 (50%), H332 (50%), H351 (50%), H361 (50%) |
This chemical does not meet GHS hazard criteria for 50% (1 of 2) of reports.
H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
5A-pregnane-3-20-dione-allo · CAS 566-65-4 · C21H32O2. UNII 98G4S1OH0Z. Melting Point: 200 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.