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Cephalexin monohydrate

Inquiry
  Post Date: May 24,2013
  Expiry Date: May 24,2014
  Detailed Description: Cas No. :15686-71-2 Quantity: 1000Kilograms
Specs:BP/USP/EP
Payment Method: T/T,LC.
Appearance
White or alomost white crystalline powder
SPECIFICATION
Testing terms Standards
Assay 95.0%~102.0%
PH 4.0~5.5
Absobance at 262nm(anhydrous substance) 220~245
Water 4.8%~8.0%
Related substances
ImpurityB(7-ADCA) ≤1.0%
Any other impurity ≤1.0%
Total ≤3.0%
Specific optical rotation +149''~+158''
Sulfated ash ≤0.2%
Bulk density - 0.54
Tapped density - 0.77
N,N-Dimethylaniline Not more than 20ppm
Conclusion:BP2012

  CAS Registry Number:

15686-71-2
  Synonyms: ;Cefalexin hydrate;Cephalexin (free base);7-(d-alpha-amino-phenylacetamido)-3-methyl-3-cepheme-4-carboxylic acid;Cefalexin;(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 hydrate (1:1);D-Cephalexin;
  Molecular Formula: C16H19N3O5S
  Molecular Weight: 365.4042
  Molecular Structure: 15686-71-2 Cephalexin
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R42/43:;
  Safety Description: S22:;
S36/37:;
S45:;

  Company: hebei Lejia Biotech Co.,Ltd     [ China ]        
  Contact: Li Stone
  Tel: +86-311-67307530
  Fax:
  Email: marketing-li@ljbiochem.com
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