Cephalexin
头孢氨苄
Also known as: Cefalexin, Cefalexine, Cephalexine, Ceporex, Ceporexine, (6R,7R)-7-{[(2R)-2-Amino-2-phenylacetyl]amino}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-(D-α-Aminophenylacetamido)desacetoxycephalosporanic acid, Cefalexin (JP14), Cefalexin (JP15), Cefibacter, Cephalexin Hydrate, Cephamasten, D-Cephalexin, Sintolexyn, Cefa-iskia, Cefalexinum
- CAS No.
- 15686-71-2
- Jingsj CID
- J-14498-6
- Molecular Formula
- C16H17N3O4S
- Chinese Name
- 头孢氨苄
- Molecular Weight
- 347.389 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 196-198°C |
|---|---|
| Boiling Point | 727.4±60.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 393.7±32.9 °C |
GHS Safety & Compliance
Health HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of Cephalexin?
15686-71-2
What are the molecular formula and molecular weight of Cephalexin?
C16H17N3O4S, molecular weight 347.389 g/mol
Is Cephalexin hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026