Losartan Impurity 4

Also known as: 1H-Imidazole-4-carboxaldehyde, 2-butyl-5-chloro-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-, Allisartan Isoproxil Impurity D

Losartan Impurity 4 (CAS 141949-90-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H21ClN6O and a molecular weight of 420.9 g/mol. It is also known as 1H-Imidazole-4-carboxaldehyde, 2-butyl-5-chloro-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]- and Allisartan Isoproxil Impurity D. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
141949-90-8
Jingsj CID
J-1461435-4
Molecular Formula
C22H21ClN6O
Molecular Weight
420.9 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Losartan Impurity 4?

The CAS number of Losartan Impurity 4 is 141949-90-8.

What are the molecular formula and molecular weight of Losartan Impurity 4?

Losartan Impurity 4 has molecular formula C22H21ClN6O and molecular weight 420.9 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Losartan Impurity 4 (CAS 141949-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1461435-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.