Verapamil EP Impurity I(HCl)

Verapamil EP Impurity I(HCl) (CAS 1794-55-4) is supplied by ImpurityLab as a European Pharmacopoeia impurity standard, identified by letter against the monograph for its parent substance. Catalogue number C4X-17789. It is related to Verapamil.

Parent drug substance. Verapamil. Browse the full Verapamil impurity and related compound standards held by ImpurityLab.

The material is issued against molecular formula C26H36N2O4 HCl, molecular weight 440.58 g mol⁻¹, physical form described as white to off-white solid.

Structural notation: C1(OC)C=C(C(C(C)C)(CCN(C)CCC2C=C(OC)C(OC)=CC=2)C#N)C=CC=1OC.Cl

Letter designations are assigned inside a monograph for one named substance. The same molecule can carry a different letter, or a different style of name, in another pharmacopoeia. Map the material from its structure — chemical name, formula and CAS — rather than from the letter alone.

Storage. Store at -20 °C ± 5 °C. Allow the container to reach room temperature before opening so that moisture does not condense onto the material. Record the date of first opening on the label.

Pack sizes. Quoted on request. Non-standard quantities are quoted on request, normally within two working days.

Documentation. Each lot is released with a certificate of analysis that states the assay method, the water content and the form as supplied. The safety data sheet is available with the same lot number. Quote catalogue number C4X-17789 when requesting either document.