Cephalexin hydrate
(21740976 | 15686-71-2)

CAS: 15686-71-2
Molecular Formula: C16H17N3O4S·H2O
Molecular Weight: 347.39
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
Cephalexin hydrate Chemical Structure

21740976-5g 5g £56.90
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21740976-5g 5g €85.40
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21740976-5g 5g $91.10
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Safety Data Sheet
Certificate of Analysis

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

Product Specification
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%
Appearance A white or almost white crystalline powder
Any other impurity <1.0%

Safety Information
Pictograms
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

  • P302+352: IF ON SKIN: Wash with soap and water

  • P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

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