Quetiapine EP Impurity E 4HCl

Impurity reference standard · Quetiapine

Request a quote
2D structure · drawn from the SMILES record
CAS number
1371638-05-9 (free base)
Molecular formula
C40H48Cl4N6O2S2
Molecular weight
850.79
Purity
95%+
Appearance
White to off-white solid
Storage
2℃ ~ 8℃
Parent compoundQuetiapine13 impurities listed Request a quote Search the full catalogue

About Quetiapine EP Impurity E 4HCl

Quetiapine EP Impurity E 4HCl is a specified impurity of Quetiapine. It is registered under CAS number 1371638-05-9.

The compound is characterised by its molecular formula C40H48Cl4N6O2S2 and a molecular weight of 850.79, with the two-dimensional structure shown above. Because it shares the Quetiapine scaffold, it is typically used to track process-related and degradation impurities of Quetiapine during method development, forced degradation and stability studies.

Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.

Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.

Need this standard, or a related one?

Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.