(E)-2-Cyano-3-(3,4-dihydroxyphenyl)-N,N-diethylacrylamide
- CAS
- 1217439-96-7
- Formula
- C14H16N2O3
- MW
- 260.29 g/mol
VQ-037003
Impurity reference standards
Entacapone impurities & reference standards
Characterised Entacapone impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
25reference materials
COAHPLC · NMR · MS on request
Parent API: Entacapone
130929-57-6 · C14H15N3O5
(E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylic acid
- CAS
- 1202160-40-4
- Formula
- C11H8N2O6
- MW
- 264.19 g/mol
VQ-043959
FAQs — Entacapone impurities
Which Entacapone impurities do you supply?
We list 25 Entacapone-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 Entacapone 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 Entacapone 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 Entacapone impurity standards
We reply within one business day with price, pack options, lead time and documentation.