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VAQORACHEMICALS
Impurity reference standards

Lapatinib impurities & reference standards

Characterised Lapatinib impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.

19reference materials
COAHPLC · NMR · MS on request
Reference Standard
Deschloro Lapatinib chemical structure
Deschloro Lapatinib
CAS
633370-23-7
Formula
C29H27FN4O4S
MW
546.6 g/mol
VQ-022926
Reference Standard
Desfluoro Lapatinib chemical structure
Desfluoro Lapatinib
CAS
231277-91-1
Formula
C29H27ClN4O4S
MW
563.1 g/mol
VQ-037885
Reference Standard
Lapatinib chemical structure
Lapatinib
CAS
231277-92-2
Formula
C29H26ClFN4O4S
MW
581.1 g/mol
VQ-026364
Reference Standard
Lapatinib Ditosylate chemical structure
Lapatinib Ditosylate
CAS
388082-77-7
Formula
C43H42ClFN4O10S3
MW
925.5 g/mol
VQ-031445
Reference Standard
Lapatinib Impurity 2 chemical structure
Lapatinib Impurity 2
CAS
1807733-95-4
Formula
C29H25ClFN4O4S+
MW
580 g/mol
VQ-048794
Reference Standard
Selatinib chemical structure
Selatinib
CAS
1275595-86-2
Formula
C29H26ClFN4O3S
MW
565.1 g/mol
VQ-026367

FAQs — Lapatinib impurities

Which Lapatinib impurities do you supply?

We list 19 Lapatinib-related reference materials, including process impurities, degradation products and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.

What are Lapatinib impurity standards used for?

They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).

Can you synthesise a Lapatinib impurity that is not listed?

Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.

Request Lapatinib impurity standards

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