CEPHALEXIN

CAS 15686-71-2C16H17N3O4SMW 347.4

CEPHALEXIN (CAS 15686-71-2) — formula C16H17N3O4S, molecular weight 347.4.

Product Overview

CAS Number	15686-71-2
Molecular Formula	C16H17N3O4S
Molecular Weight	347.4
Melting Point	326.8
Boiling Point	727.4
LogP	0.65

Technical Profile

What this product is

CEPHALEXIN is a chemical compound with CAS registry number 15686-71-2 and molecular formula C16H17N3O4S (molecular weight 347.4).

Identification

CAS number: 15686-71-2

Its molecular formula C16H17N3O4S comprises 16 C, 17 H, 3 N, 4 O, 1 S atoms.

Also known as: CEPHALEXIN · 头孢氨苄 · Cephalexin Monohydrate

Frequently Asked Questions

What is the CAS number of CEPHALEXIN?

The CAS registry number of CEPHALEXIN is 15686-71-2.

What is the molecular formula and molecular weight of CEPHALEXIN?

Molecular formula C16H17N3O4S, molecular weight 347.4.

What other names is CEPHALEXIN known by?

It is also registered under: CEPHALEXIN, 头孢氨苄, Cephalexin Monohydrate.

PubChem Public Data

Independent reference data for CEPHALEXIN (CAS 15686-71-2), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	15686-71-2
PubChem CID	27447
Molecular formula	C16H17N3O4S
IUPAC name	(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
UNII (FDA)	5SFF1W6677

Computed descriptors

Molecular Weight	347.4
XLogP3	0.6
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	4
Exact Mass	347.09397721
Monoisotopic Mass	347.09397721
Topological Polar Surface Area	138
Heavy Atom Count	24

Physicochemical values on record

Boiling Point	727.4
Melting Point	326.8
Melting Point	326.8 °C
Solubility	10mg/mL
Solubility	2.97e-01 g/L
LogP	0.65
LogP	logP = 0.65
Dissociation Constants	2.53
Dissociation Constants	7.14
Dissociation Constants	PKA: 5.2, 7.3

Documented uses on record

Synonyms and trade names

cephalexin; Cefalexin; 15686-71-2; Cephacillin; Ceporexin; Mamalexin; Ceporex; Keflex; Carnosporin; Cefaleksin; Cephalexine; Cephalexinum; Ceporexine; Sinthecillin; Uphalexin; Alsporin

GHS hazard classification

Reported hazard statements	H317 (100%), H334 (100%)

H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H334 (100%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]

What the public record says

Cephalexin Monohydrate · CAS 15686-71-2 · C16H17N3O4S. UNII 5SFF1W6677. Boiling Point: 727.4; Melting Point: 326.8; Melting Point: 326.8 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.