(3R)-4-(4-Fluorobenzoyl)-3-methyl-2-piperazinone
- CAS
- 1892599-91-5
- Formula
- C12H13FN2O2
- MW
- 236.24 g/mol
VQ-025777
Impurity reference standards
Fezolinetant impurities & reference standards
Characterised Fezolinetant impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
19reference materials
COAHPLC · NMR · MS on request
![(R)-3-Methyl-5-(8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-1,2,4-thiadiazole chemical structure](/media/structures/ZBOTZOCIHCIMQA-RXMQYKEDSA-N.svg)
(R)-3-Methyl-5-(8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-1,2,4-thiadiazole
- CAS
- 1429558-08-6
- Formula
- C9H12N6S
- MW
- 236.3 g/mol
VQ-022645
![(R)-3-Methyl-5-(8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-1,2,4-thiadiazole Hydrochloride chemical structure](/media/structures/GNEWLTDOXNCFAI-NUBCRITNSA-N.svg)
(R)-3-Methyl-5-(8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-1,2,4-thiadiazole Hydrochloride
- CAS
- 1682610-44-1
- Formula
- C9H13ClN6S
- MW
- 272.76 g/mol
VQ-037257
Fezolinetant 2,4-dimethoxybenzyl Deoxy Impurity
- CAS
- 1429558-79-1
- Formula
- C18H22N6O2S
- MW
- 386.5 g/mol
VQ-025776
Fezolinetant Bromo-triazolopyrazinyl Impurity
- CAS
- 3028775-75-6
- Formula
- C13H12BrFN4O
- MW
- 339.2 g/mol
VQ-035543
Fezolinetant Ethoxy-tetrahydropyrazine Impurity
- CAS
- 1429560-52-0
- Formula
- C16H24N2O3
- MW
- 292.37 g/mol
VQ-035544
Fezolinetant Methoxy-dihydropyrazinyl Impurity
- CAS
- 3030135-19-1
- Formula
- C13H15FN2O2
- MW
- 250.3 g/mol
VQ-025778
Fezolinetant Piperazinone Impurity (R-Isomer)
- CAS
- 1383146-20-0
- Formula
- C14H20N2O3
- MW
- 264.32 g/mol
VQ-030724
Fezolinetant Piperazinone Impurity (S-Isomer)
- CAS
- 1427063-32-8
- Formula
- C14H20N2O3
- MW
- 264.32 g/mol
VQ-045315
FAQs — Fezolinetant impurities
Which Fezolinetant impurities do you supply?
We list 19 Fezolinetant-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 Fezolinetant 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 Fezolinetant 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 Fezolinetant impurity standards
We reply within one business day with price, pack options, lead time and documentation.