Ethynylestradiol IMpurity M (CAS 1818-11-7) — formula C21H24O2, molecular weight 308.4; category pharmaceutical intermediates and APIs.
Ethynylestradiol IMpurity M (CAS 1818-11-7) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C21H24O2 comprises 21 C, 24 H, 2 O atoms. Its molecular weight is about 308.4. Reported physicochemical data: LogP about 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 | 1818-11-7 |
|---|---|
| Molecular Formula | C21H24O2 |
| Molecular Weight | 308.4 |
| LogP | 4 |
| Category | Pharmaceutical Intermediates & APIs |
Ethynylestradiol IMpurity M is a pharmaceutical intermediate or API compound with CAS registry number 1818-11-7 and molecular formula C21H24O2 (molecular weight 308.4), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 1818-11-7
Its molecular formula C21H24O2 comprises 21 C, 24 H, 2 O atoms.
Also known as: Ethynylestradiol IMpurity M · 炔雌醇杂质1
Category: pharmaceutical intermediates and APIs
The CAS registry number of Ethynylestradiol IMpurity M is 1818-11-7.
Molecular formula C21H24O2, molecular weight 308.4.
It is also registered under: Ethynylestradiol IMpurity M, 炔雌醇杂质1.
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 Ethynylestradiol IMpurity M (CAS 1818-11-7), compiled from public chemistry databases.
| CAS Number | 1818-11-7 |
|---|---|
| PubChem CID | 169443979 |
| Molecular Formula | C21H24O2 |
| IUPAC Name | (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthrene-3,17-diol |
| Molecular Weight | 308.4 |
|---|---|
| XLogP3 | 4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 308.177630004 |
| Monoisotopic Mass | 308.177630004 |
| Topological Polar Surface Area | 40.5 |
| Heavy Atom Count | 23 |
1818-11-7; Ethynylestradiol Impurity M; (17?)-2-Methyl-19-norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol; Ethinylestradiol Impurity 1
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 炔雌醇杂质1