Impurities
AY-0429-004
Cefalexin EP Impurity A
C8H9NO2
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Material overview
Cephalexin Monohydrate (AY-0429-003) — active ingredient reference standard. CAS 23325-78-2, formula C16H19N3O5S, molecular weight 365.40 g/mol. Request technical documentation and current availability.
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