7-Aminocephalosporanic acid
Also known as: 7-ACA, (6R,7R)-3-(Acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7β-aminocephalosporanic acid, 7beta-aminocephalosporanic acid, 3-Acetoxymethyl-7-aminoceph-3-em-4-oic Acid, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-amino-8-oxo-, (6R,7R)-, Cefazolin EP Impurity H, Cefazolin Impurity 1, Ceftriaxone Impurity 18, Cephalothin Impurity C (7-ACA), 7β-aminocephalosporanic acid zwitterion, (6R,7R)-3-(acetyloxymethyl)-7-ammonio-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
7-Aminocephalosporanic acid (CAS 957-68-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O5S and a molecular weight of 272.278 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 560.6±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 292.9±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 957-68-6
- Jingsj CID
- J-1106256-9
- Molecular Formula
- C10H12N2O5S
- Molecular Weight
- 272.278 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 560.6±50.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 292.9±30.1 °C |
| Exact Mass | 272.046692 |
| PSA | 135.23000 |
| LogP | -0.80 |
| Vapor Pressure | 0.0±3.3 mmHg at 25°C |
| Refractive Index | 1.661 |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| HS Code | 2934996000 |
|---|---|
| Summary | 2934996000. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:6.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 7-Aminocephalosporanic acid?
The CAS number of 7-Aminocephalosporanic acid is 957-68-6.
What are the molecular formula and molecular weight of 7-Aminocephalosporanic acid?
7-Aminocephalosporanic acid has molecular formula C10H12N2O5S and molecular weight 272.278 g/mol.
Is 7-Aminocephalosporanic acid hazardous?
7-Aminocephalosporanic acid has GHS signal word Danger and hazard statements H317 — May cause an allergic skin reaction; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 7-Aminocephalosporanic acid?
For 7-Aminocephalosporanic acid, Upstream Products: Cephalosporin C; Downstream Products: Cefpodoxime Proxetil, 7-Amino-3-(1-methyltetrazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid, (6R,7R)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-Aminocephalosporanic acid (CAS 957-68-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106256-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.