Protein A (CAS 521-18-6) — formula C19H30O2, molecular weight 290.4; category pharmaceutical intermediates and APIs.
Protein A (CAS 521-18-6) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C19H30O2 comprises 19 C, 30 H, 2 O atoms. Its molecular weight is about 290.4. Reported physicochemical data: melting point around 181, LogP about 3.55. 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 | 521-18-6 |
|---|---|
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.4 |
| Melting Point | 181 |
| LogP | 3.55 |
| Applications | Dihydrotestosterone is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation, Pharmaceuticals |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: Dihydrotestosterone is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation, Pharmaceuticals.
Protein A is a pharmaceutical intermediate or API compound with CAS registry number 521-18-6 and molecular formula C19H30O2 (molecular weight 290.4), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 521-18-6
Its molecular formula C19H30O2 comprises 19 C, 30 H, 2 O atoms.
Also known as: Protein A · 蛋白A
Category: pharmaceutical intermediates and APIs
The CAS registry number of Protein A is 521-18-6.
Molecular formula C19H30O2, molecular weight 290.4.
It is also registered under: Protein A, 蛋白A.
Recorded applications: Dihydrotestosterone is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation, Pharmaceuticals.
Category: Pharmaceutical Intermediates & APIs.
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 Protein A (CAS 521-18-6), compiled from public chemistry databases.
| CAS Registry Number | 521-18-6 |
|---|---|
| PubChem CID | 10635 |
| Molecular formula | C19H30O2 |
| IUPAC name | (5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one |
| UNII (FDA) | 08J2K08A3Y |
| Molecular Weight | 290.4 |
|---|---|
| XLogP3 | 3.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 290.224580195 |
| Monoisotopic Mass | 290.224580195 |
| Topological Polar Surface Area | 37.3 |
| Heavy Atom Count | 21 |
| Melting Point | 181 |
|---|---|
| Melting Point | 181 °C |
| LogP | 3.55 |
| Collision Cross Section | 177.31 Ų [M+H]+ |
STANOLONE; Androstanolone; dihydrotestosterone; 521-18-6; Anabolex; Andractim; Androlone; Neodrol; 4-Dihydrotestosterone; Anaboleen; Proteina; Stanaprol; Protona; 5alpha-Dihydrotestosterone; Cristerona MB; 17beta-Hydroxy-5alpha-androstan-3-one
| Reported hazard statements | H351 (98.3%), H360 (95%) |
|---|
H351 (98.3%): Suspected of causing cancer [Warning Carcinogenicity]
H360 (95%): May damage fertility or the unborn child [Danger Reproductive toxicity]
Protein A · CAS 521-18-6 · C19H30O2. UNII 08J2K08A3Y. Melting Point: 181; Melting Point: 181 °C; LogP: 3.55.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 蛋白A