(2R,3R)-2-(2-Fluoro-4-(4-methylenepiperidin-1-yl)phenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
- CAS
- 2055912-03-1
- Formula
- C24H32FN5O
- MW
- 425.5 g/mol
VQ-030399
Impurity reference standards
Efinaconazole impurities & reference standards
Characterised Efinaconazole impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
46reference materials
COAHPLC · NMR · MS on request
(2R,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol 3-THP Ether
- CAS
- 135133-23-2
- Formula
- C17H21F2N3O3
- MW
- 353.36 g/mol
VQ-030401
(2R,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
- CAS
- 133775-25-4
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-025495
(2R,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol Mesylate
- CAS
- 1175536-50-1
- Formula
- C13H17F2N3O5S
- MW
- 365.36 g/mol
VQ-025493
(2R,3R)-2-(2,4-Difluorophenyl)-1-(4H-1,2,4-triazol-4-yl)butane-2,3-diol
- CAS
- 2122222-14-2
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-030402
(2R,3R)-2-(2,4-Difluorophenyl)-3-(3-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
- CAS
- 164650-54-8
- Formula
- C18H22F2N4O
- MW
- 348.4 g/mol
VQ-036903
![(2R,3R)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane chemical structure](/media/structures/QANJLSHZDUOBBP-PRHODGIISA-N.svg)
(2R,3R)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane
- CAS
- 135270-13-2
- Formula
- C12H11F2N3O
- MW
- 251.23 g/mol
VQ-025488
(2R,3R)-2-(2,5-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol
- CAS
- 241479-72-1
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-035147
(2R,3R)-2-(4-Fluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
- CAS
- 150803-08-0
- Formula
- C12H14FN3O2
- MW
- 251.26 g/mol
VQ-036906
(2R,3R)-2-(4-Fluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
- CAS
- 2055038-64-5
- Formula
- C18H23FN4O
- MW
- 330.4 g/mol
VQ-036907
![(2R,3R)-3-((1H-1,2,4-Triazol-1-yl)methyl)-6-fluoro-3-hydroxy-2-methyl-4'-methylenespiro[indoline-1,1'-piperidin]-1-ium Fluoride chemical structure](/media/structures/JBGDLROZZZPPCV-KEZWHQCISA-M.svg)
(2R,3R)-3-((1H-1,2,4-Triazol-1-yl)methyl)-6-fluoro-3-hydroxy-2-methyl-4'-methylenespiro[indoline-1,1'-piperidin]-1-ium Fluoride
- CAS
- 2252350-11-9
- Formula
- C18H22F2N4O
- MW
- 348.4 g/mol
VQ-036909
(2R,3R)-3-(2,4-Difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl methanesulfonate
- CAS
- 133775-26-5
- Formula
- C13H15F2N3O4S
- MW
- 347.34 g/mol
VQ-030403
(2R,3R)-3-(2,4-Difluorophenyl)-3,4-Epoxybutan-2-ol
- CAS
- 126918-35-2
- Formula
- C10H10F2O2
- MW
- 200.18 g/mol
VQ-048148
(2R,3R)-3-(2,5-Difluorophenyl)-3-hydroxy-2-methyl-4-(1H-1,2,4-triazol-1-yl)butanamide
- CAS
- 241479-75-4
- Formula
- C13H14F2N4O2
- MW
- 296.27 g/mol
VQ-036908
(2R,3R)-3-(4-Methylenepiperidin-1-yl)-2-phenyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
- CAS
- 2055038-65-6
- Formula
- C18H24N4O
- MW
- 312.4 g/mol
VQ-048153
(2R,3S)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
- CAS
- 135270-11-0
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-022497
(2R)-1-(2,4-Difluorophenyl)-2-(tetrahydro-2H-pyran-2-yloxy)propan-1-one
- CAS
- 126918-17-0
- Formula
- C14H16F2O3
- MW
- 270.27 g/mol
VQ-030400
(2S,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol
- CAS
- 135272-36-5
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-025489
![(2S,3R)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane chemical structure](/media/structures/QANJLSHZDUOBBP-PELKAZGASA-N.svg)
(2S,3R)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane
- CAS
- 135270-07-4
- Formula
- C12H11F2N3O
- MW
- 251.23 g/mol
VQ-022495
(2S,3S)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
- CAS
- 135270-05-2
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-030394
![(2S,3S)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane chemical structure](/media/structures/QANJLSHZDUOBBP-UFBFGSQYSA-N.svg)
(2S,3S)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane
- CAS
- 135270-10-9
- Formula
- C12H11F2N3O
- MW
- 251.23 g/mol
VQ-030393
(2S)-1-(2,4-Difluorophenyl)-2-((tetrahydro-2H-pyran-2-yl)oxy)propan-1-one
- CAS
- 127001-03-0
- Formula
- C14H16F2O3
- MW
- 270.27 g/mol
VQ-036904
(4-(Chloromethyl)piperidin-1-yl)(phenyl)methanone
- CAS
- 63608-15-1
- Formula
- C13H16ClNO
- MW
- 237.72 g/mol
VQ-048142
(R)-1-(2,4-Difluorophenyl)-2-hydroxypropan-1-one
- CAS
- 126918-16-9
- Formula
- C9H8F2O2
- MW
- 186.15 g/mol
VQ-030392
![[4-(Hydroxymethyl)piperidin-1-yl]-phenylmethanone chemical structure](/media/structures/RLTIVBMLQJFUOB-UHFFFAOYSA-N.svg)
[4-(Hydroxymethyl)piperidin-1-yl]-phenylmethanone
- CAS
- 19980-00-8
- Formula
- C13H17NO2
- MW
- 219.28 g/mol
VQ-030396
1-(((2R,3S)-2-(2,4-Difluorophenyl)-3-methyloxiran-2-yl)methyl)-1H-1,2,4-triazole
- CAS
- 127000-90-2
- Formula
- C12H11F2N3O
- MW
- 251.23 g/mol
VQ-025497
1-(((2R,3S)-2-(2,5-Difluorophenyl)-3-methyloxiran-2-yl)methyl)-1H-1,2,4-triazole
- CAS
- 241479-73-2
- Formula
- C12H11F2N3O
- MW
- 251.23 g/mol
VQ-048151
2-((R)-1-((R)-2-(2,4-Difluorophenyl)oxiran-2-yl)ethoxy)tetrahydro-2H-pyran
- CAS
- 135267-12-8
- Formula
- C15H18F2O3
- MW
- 284.3 g/mol
VQ-030398
FAQs — Efinaconazole impurities
Which Efinaconazole impurities do you supply?
We list 46 Efinaconazole-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 Efinaconazole 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 Efinaconazole 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.
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