Diphenhydramine Impurities & Reference Standards

Spectrasynth Pharmachem supplies 4 certified Diphenhydramine impurity reference standards, including CAS numbers, product codes and custom synthesis. Enquire for pricing, COA and availability.

• Diphenhydramine - Impurity D

  CAS No: 91-01-0 · Product Code: SSPC-D00048

• Diphenhydramine Related compound A

  CAS No: 53499-40-4 · Product Code: SSPC-D00083

• Diphenhydramine - IH Standard

  CAS No: 58-73-1 · Product Code: SSPC-D00085

• Diphenhydramine - Impurity B

  CAS No: 19804-27-4 · Product Code: SSPC-D00110