Impurity Standards

CAS 138401-24-8 — Losartan Impurity D

CAS Registry Number 138401-24-8 identifies Losartan Impurity D, supplied as an analytical reference standard characterised by identity and chromatographic purity and released lot by lot.

Identifiers

CAS Number

138401-24-8

Molecular Formula

C22H23ClN10

Molecular Weight

462.94 g/mol

HPLC Purity

≥ 98.5% (HPLC verified)

Appearance

Off-white to pale yellow powder

Storage

Store at −20 °C, desiccated and protected from light.

Synonyms and research codes

Losartan Azido Impurity Standard (Impurity D) · Losartan Azide Impurity · Azido Losartan

Specified impurity standard for related-substance quantitation and limit testing in losartan drug substance assays.