7-氨基头孢烷酸，CAS 登记号 957-68-6，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于精细化学品；医药中间体。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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7-Aminocephalosporanic Acid · CAS 957-68-6 · C10H12N2O5S. UNII 9XI67897RG.
| CAS Registry Number | 957-68-6 |
|---|---|
| PubChem CID | 441328 |
| Molecular formula | C10H12N2O5S |
| IUPAC name | (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| UNII (FDA) | 9XI67897RG |
| Molecular Weight | 272.28 |
|---|---|
| XLogP3 | -4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 4 |
| Exact Mass | 272.04669266 |
| Monoisotopic Mass | 272.04669266 |
| Topological Polar Surface Area | 135 |
| Heavy Atom Count | 18 |
| Formal Charge | 0 |
| GHS notification summary | 1.4% (1 / 73) |
|---|
| GHS notification summary | 1.4% (1 / 73) |
|---|---|
| Reported hazard statements | H317 (97.3%), H319 (15.1%), H334 (97.3%), H335 (13.7%) |
This chemical does not meet GHS hazard criteria for 1.4% (1 of 73) of reports.
H317 (97.3%): May cause an allergic skin reaction [Warning Sensitization, Skin]
7-Aminocephalosporanic acid; 957-68-6; 7-ACA; 7beta-Aminocephalosporanic acid; 7-Aminocephalosporinic acid; DTXSID9045342; CHEBI:2255; (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 9XI67897RG; DTXCID7025342; 5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID, 3-((ACETYLOXY)METHYL)-7-AMINO-8-OXO-, (6R,7R)-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-amino-8-oxo-, (6R,7R)-; 7-ACA cpd; (6R,7R)-3-(acetyloxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid; (6R,7R)-3-(acetyloxymethyl)-7-azanyl-8-oxidanylidene-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid; (6R,7R)-3-(acetyloxymethyl)-7-azanyl-8-oxidanylidene-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS 957-68-6; molecular formula C10H12N2O5S; molecular weight — g/mol.
7-Aminocephalosporanic acid, 957-68-6, 7-ACA, 7beta-Aminocephalosporanic acid, 7-Aminocephalosporinic acid, DTXSID9045342.
1.4% of GHS notifications report no hazard classification (1 of 73).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.