Impurity reference standards
Roflumilast impurities & reference standards
Characterised Roflumilast impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
28reference materials
2isotope-labelled
COAHPLC · NMR · MS on request
Parent API: Roflumilast
162401-32-3 · C17H14Cl2F2N2O3
3-(But-3-en-1-yloxy)-N-(3,5-dichloropyridin-4-yl)-4-(difluoromethoxy)benzamide
- CAS
- 2368178-29-2
- Formula
- C17H14Cl2F2N2O3
- MW
- 403.2 g/mol
VQ-027883
3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzaldehyde
- CAS
- 151103-09-2
- Formula
- C12H12F2O3
- MW
- 242.22 g/mol
VQ-033634
3-(Cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)-4-hydroxybenzamide
- CAS
- 475271-62-6
- Formula
- C16H14Cl2N2O3
- MW
- 353.2 g/mol
VQ-033628
3-Cyclopropylmethoxy-4- difluoromethoxy-benzoic acid
- CAS
- 162401-62-9
- Formula
- C12H12F2O4
- MW
- 258.22 g/mol
VQ-027879
4-(Cyclopropylmethoxy)-3-(difluoromethoxy) Roflumilast
- CAS
- 162401-43-6
- Formula
- C17H14Cl2F2N2O3
- MW
- 403.2 g/mol
VQ-033629
N-(3,5-Dichloropyridin-4-yl)-4-(difluoromethoxy)-3-methoxybenzamide
- CAS
- 162401-29-8
- Formula
- C14H10Cl2F2N2O3
- MW
- 363.1 g/mol
VQ-041985
FAQs — Roflumilast impurities
Which Roflumilast impurities do you supply?
We list 28 Roflumilast-related reference materials, including process impurities, degradation products, stable-isotope-labelled standards and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Roflumilast 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 Roflumilast 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 Roflumilast impurity standards
We reply within one business day with price, pack options, lead time and documentation.