7-Aminocephalosporanic acid
ALDRICH/191140 - 98%
Synonym: 7-ACA
CAS Number: 957-68-6
Empirical Formula (Hill Notation): C10H12N2O5S
Molecular Weight: 272.28
EC Number: 213-485-0
MDL Number: MFCD00005177
Linear Formula: C10H12N2O5S
Product Type: Chemical
| antibiotic activity spectrum | Gram-positive bacteria |
| application(s) | peptide synthesis |
| assay | 98% |
| form | powder |
| InChI | 1S/C10H12N2O5S/c1-4(13)17 |
| InChI key | HSHGZXNAXBPPDL-HZGVNTEJSA |
| mode of action | cell wall synthesis | interferes |
| mp | >300 °C (lit.) |
| optical activity | [α]19/D +90°, c = 0.5 in KH2PO4/trace NaOH |
| Quality Level | 200 ![]() |
| reaction suitability | reaction type: solution phase peptide synthesis |
| SMILES string | [H][C@]12SCC(COC(C)=O)=C( |
| storage temp. | 2-8°C |
| Application: | 7-Aminocephalosporanic acid (7-ACA) can be used as a starting material to synthesize: • Cefotaxime by acylation reaction with S-benzothiazol-2-yl(2-amin • Cefpodoxime proxetil, a third-generation antibiotic via cefotaxime intermediate. • Sodium 3′-substituted cephalosporanate sulfone derivatives as potential inhibitors of β-lactamase. |
| Application: | Potent inhibitor of bacterial (S. aureus) β-lactamase. |
| General description: | Chemical structure: ß-lactam |
| Packaging: | 5 g in glass bottle |
| Symbol | GHS08 |
| Signal word | Danger |
| Hazard statements | H317 - H334 |
| Precautionary statements | P261 - P280 - P284 - P304 + P340 - P333 + P313 - P342 + P311 |
| Hazard Codes | Xn |
| Risk Statements | 42/43 |
| Safety Statements | 22-36/37 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98% |
| mp | >300 °C (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352106 |


