Impurities
AY-0002-003
Ketopemetrexed
C20H21N5O7
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Material overview
Posaconazole Formate (AY-0002-001) — impurity reference standard material. CAS 2069239-68-3, formula C38H42F2N8O5, molecular weight 728.80 g/mol. Request technical documentation and current availability.
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