15686-71-2
Product Name:
Cephalexin
Formula:
C16H17N3O4S
Synonyms:
7-(D -α-amino-phenylacetamido)-3-methyl-3-cepheme-4-carboxylic acid;Cefalexin;Cephalexin monohydrate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Solid |
|---|---|
| Color/Form | CRYSTALS |
| Boiling Point | 727.4 |
| Melting Point | 326.8 °C |
| Solubility | 10mg/mL |
| LogP | 0.65 |
| Stability/Shelf Life | ACID-STABLE |
| Dissociation Constants | 2.53 |
| Collision Cross Section | 178.5 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards] |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H334:Sensitisation, respiratory |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 347.4 g/mol |
|---|---|
| XLogP3 | 0.6 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 4 |
| Exact Mass | 347.09397721 g/mol |
| Monoisotopic Mass | 347.09397721 g/mol |
| Topological Polar Surface Area | 138 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 600 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 3 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Cephalexin is a semisynthetic first-generation cephalosporin antibiotic having methyl and beta-(2R)-2-amino-2-phenylacetamido groups at the 3- and 7- of the cephem skeleton, respectively. It is effective against both Gram-negative and Gram-positive organisms, and is used for treatment of infections of the skin, respiratory tract and urinary tract. It has a role as an antibacterial drug. It is a cephalosporin, a semisynthetic derivative and a beta-lactam antibiotic allergen. It is a conjugate acid of a cephalexin(1-).