Cephalexin hydrate
(21740976 | 15686-71-2)

CAS: 15686-71-2
Molecular Formula: C16H17N3O4S·H2O
Molecular Weight: 347.39
Availablility: In Stock
Downloads: Product Specification
Cephalexin hydrate Chemical Structure

21740976-5g 5g £43.70
Bulk Order
21740976-5g 5g €65.55
Bulk Order
21740976-5g 5g $78.66
Bulk Order
Certificate of Analysis

Product Detail
Product Code 21740976
Product Name Cephalexin hydrate
Categories Antibiotics APIs
CAS 15686-71-2
Molecular Formula C16H17N3O4S·H2O
Molecular Weight 347.39
Storage Details 2 to 8 °C
Harmonised Tariff Code 29419000

Product Specification
Physical Appearance A white or almost white crystalline powder
Water 4 - 8%
Impurity B <1.0%
pH 4 - 5.5
Solubility Sparingly soluble in water, practically insoluble in ethanol (96%)
Assay 95.0% to 103.0%
Specific optical rotation 149 - 158
N,N-dimethylaniline <20ppm
Total Impurities <3.0%
Sulfated ash <0.2%
Any other impurity <1.0%

Safety Information
Danger to Health
Signal word danger
Hazard statements
  • H317: May cause an allergic skin reaction

  • H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
  • P261: Avoid breathing dust/fume/gas/mist/vapours/spray

  • P280: Wear protective gloves/protective clothing/eye protection/face protection

  • P342+311: Call a POISON CENTER or doctor/physician