7-Aminodesacetoxycephalosporanic acid
Also known as: 7-ADCA, 7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7β-aminodeacetoxycephalosporanic acid, Cefalexin EP Impurity B, Cefadroxil EP Impurity B, Cephalexin EP Impurity B, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-methyl-8-oxo-, (6R,7R)-
7-Aminodesacetoxycephalosporanic acid (CAS 22252-43-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O3S and a molecular weight of 214.242 g/mol. Key properties include a melting point of 234ºC (dec.), a boiling point of 517.6±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 266.8±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 Aug 21, 2026.
- CAS No.
- 22252-43-3
- Jingsj CID
- J-25680-4
- Molecular Formula
- C8H10N2O3S
- Molecular Weight
- 214.242 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 234ºC (dec.) |
|---|---|
| Boiling Point | 517.6±50.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 266.8±30.1 °C |
| Exact Mass | 214.041214 |
| PSA | 108.93000 |
| LogP | -0.81 |
| Vapor Pressure | 0.0±2.9 mmHg at 25°C |
| Refractive Index | 1.698 |
| Storage Conditions | 2-8℃ |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H334 — May cause allergy or asthma symptoms if inhaled
Activity & Biological Data
| Additional Information | [1]. Linda G Otten, et al. Mutational Analysis of a Key Residue in the Substrate Specificity of a Cephalosporin Acylase. Chembiochem. 2004 Jun 7;5(6):820-5. |
|---|
Frequently Asked Questions
What is the CAS number of 7-Aminodesacetoxycephalosporanic acid?
The CAS number of 7-Aminodesacetoxycephalosporanic acid is 22252-43-3.
What are the molecular formula and molecular weight of 7-Aminodesacetoxycephalosporanic acid?
7-Aminodesacetoxycephalosporanic acid has molecular formula C8H10N2O3S and molecular weight 214.242 g/mol.
Is 7-Aminodesacetoxycephalosporanic acid hazardous?
7-Aminodesacetoxycephalosporanic 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-Aminodesacetoxycephalosporanic acid?
For 7-Aminodesacetoxycephalosporanic acid, Downstream Products: Cefadroxil, 2-Mercaptobenzothiazole, Cefetamet.
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-Aminodesacetoxycephalosporanic acid (CAS 22252-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25680-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.