3-ethynylcephalosporin (CAS 91939-29-6) — formula C16H13N5O7S2, molecular weight 451.4; category pharmaceutical intermediates and APIs.
3-ethynylcephalosporin (CAS 91939-29-6) is a pharmaceutical intermediates and APIs. Its molecular formula C16H13N5O7S2 comprises 16 C, 13 H, 5 N, 7 O, 2 S atoms. Its molecular weight is about 451.4. Reported physicochemical data: LogP about -1.2. Pharmaceutical intermediates and APIs are critical building blocks for drug synthesis, with strict requirements on purity, impurities and process consistency. Used in API synthesis, formulation and pre-clinical research; supplied with COA and impurity-profile documentation. 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 | 91939-29-6 |
|---|---|
| Molecular Formula | C16H13N5O7S2 |
| Molecular Weight | 451.4 |
| LogP | -1.2 |
| Applications | formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
3-ethynylcephalosporin is a pharmaceutical intermediate or API compound with CAS registry number 91939-29-6 and molecular formula C16H13N5O7S2 (molecular weight 451.4), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 91939-29-6
Its molecular formula C16H13N5O7S2 comprises 16 C, 13 H, 5 N, 7 O, 2 S atoms.
Also known as: 3-ethynylcephalosporin · 3-乙炔头孢菌素
Category: pharmaceutical intermediates and APIs
The CAS registry number of 3-ethynylcephalosporin is 91939-29-6.
Molecular formula C16H13N5O7S2, molecular weight 451.4.
It is also registered under: 3-ethynylcephalosporin, 3-乙炔头孢菌素.
Recorded applications: formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
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 3-ethynylcephalosporin (CAS 91939-29-6), compiled from public chemistry databases.
| CAS Number | 91939-29-6 |
|---|---|
| PubChem CID | 9578318 |
| Molecular Formula | C16H13N5O7S2 |
| IUPAC Name | (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethynyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| Molecular Weight | 451.4 |
|---|---|
| XLogP3 | -1.2 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 8 |
| Exact Mass | 451.02564012 |
| Monoisotopic Mass | 451.02564012 |
| Topological Polar Surface Area | 238 |
| Heavy Atom Count | 30 |
3-Ethynylcephalosporin; 91939-29-6; RefChem:93882
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3-乙炔头孢菌素