((R)-2-(2-Morpholinoacetamido)-4-phenylbutanoyl)-L-leucyl-L-phenylalanine
- CAS
- 2049024-77-1
- Formula
- C31H42N4O6
- MW
- 566.7 g/mol
VQ-043761
Impurity reference standards
Carfilzomib impurities & reference standards
Characterised Carfilzomib impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
73reference materials
1isotope-labelled
COAHPLC · NMR · MS on request
Parent API: Carfilzomib WS
868540-17-4 · C40H57N5O7
((S)-2-(2-Morpholinoacetamido)-4-phenylbutanoyl)-L-leucyl-D-phenylalanine
- CAS
- 2419266-61-6
- Formula
- C31H42N4O6
- MW
- 566.7 g/mol
VQ-044914
((S)-2-Acetamido-4-phenylbutanoyl)-L-leucyl-L-phenylalanine
- CAS
- 890660-08-9
- Formula
- C27H35N3O5
- MW
- 481.6 g/mol
VQ-044481
((S)-2-Amino-4-phenylbutanoyl)-L-leucyl-L-phenylalanine
- CAS
- 1545468-80-1
- Formula
- C25H33N3O4
- MW
- 439.5 g/mol
VQ-044349
![(2S)-2-Amino-4-methyl-1-[(2R)-2-methyloxiranyl]-1-pentanone Trifluoroacetate chemical structure](/media/structures/OWGGQBZQMQMPBI-DKXTVVGFSA-N.svg)
(2S)-2-Amino-4-methyl-1-[(2R)-2-methyloxiranyl]-1-pentanone Trifluoroacetate
- CAS
- 247068-85-5
- Formula
- C11H18F3NO4
- MW
- 285.26 g/mol
VQ-024795
(4S)-4-Amino-2,6-dimethyl-1-hepten-3-one 2,2,2-Trifluoroacetate
- CAS
- 1619233-32-7
- Formula
- C11H18F3NO3
- MW
- 269.26 g/mol
VQ-029647
![(AS)-a-[[(1,1-Dimethylethoxy)carbonyl]amino]benzenebutanoyl-L-leucyl-phenylmethyl Ester L-Phenylalanine chemical structure](/media/structures/AKIABKDAWVWIHO-CPCREDONSA-N.svg)
(AS)-a-[[(1,1-Dimethylethoxy)carbonyl]amino]benzenebutanoyl-L-leucyl-phenylmethyl Ester L-Phenylalanine
- CAS
- 868540-15-2
- Formula
- C37H47N3O6
- MW
- 629.8 g/mol
VQ-024798
(R)-2-((tert-Butoxycarbonyl)amino)-4-phenylbutanoic acid
- CAS
- 82732-07-8
- Formula
- C15H21NO4
- MW
- 279.33 g/mol
VQ-044351
(R)-2-Amino-4-methyl-1-((R)-2-methyloxiran-2-yl)pentan-1-one 2,2,2-trifluoroacetate
- CAS
- 2443766-79-6
- Formula
- C11H18F3NO4
- MW
- 285.26 g/mol
VQ-029648
(R)-2-Amino-4-methyl-1-((S)-2-methyloxiran-2-yl)pentan-1-one 2,2,2-trifluoroacetate
- CAS
- 2436762-87-5
- Formula
- C11H18F3NO4
- MW
- 285.26 g/mol
VQ-024787
(R)-4-Methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
- CAS
- 2049025-45-6
- Formula
- C40H57N5O7
- MW
- 719.9 g/mol
VQ-043596
(S)-2-((S)-4-Methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamido)-3-phenylpropanoic Acid
- CAS
- 868540-16-3
- Formula
- C31H42N4O6
- MW
- 566.7 g/mol
VQ-029649
(S)-2-((tert-Butoxycarbonyl)amino)-4-cyclohexylbutanoic acid
- CAS
- 143415-51-4
- Formula
- C15H27NO4
- MW
- 285.38 g/mol
VQ-044347
(S)-2-(2-Morpholinoacetamido)-4-phenylbutanoic acid
- CAS
- 1396006-45-3
- Formula
- C16H22N2O4
- MW
- 306.36 g/mol
VQ-028918
(S)-2-Amino-4-methyl-1-((S)-2-methyloxiran-2-yl)pentan-1-one Trifluoroacetate Salt
- CAS
- 1528769-14-3
- Formula
- C11H18F3NO4
- MW
- 285.26 g/mol
VQ-024788
(S)-4-Methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanoic Acid
- CAS
- 1396006-47-5
- Formula
- C22H33N3O5
- MW
- 419.5 g/mol
VQ-029651
(S)-4-Methyl-N-((R)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
- CAS
- 2049025-49-0
- Formula
- C40H57N5O7
- MW
- 719.9 g/mol
VQ-022012
(S)-4-Methyl-N-((S)-1-(((R)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
- CAS
- 2049025-67-2
- Formula
- C40H57N5O7
- MW
- 719.9 g/mol
VQ-024792
(S)-4-Methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((R)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
- CAS
- 2049025-59-2
- Formula
- C40H57N5O7
- MW
- 719.9 g/mol
VQ-029652
(S)-4-Methyl-N-((S)-1-(((S)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
- CAS
- 1672698-88-2
- Formula
- C40H57N5O7
- MW
- 719.9 g/mol
VQ-024790
(S)-N-((S)-1-(((2S,4S)-1-Chloro-2-hydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
- CAS
- 1541171-67-8
- Formula
- C40H58ClN5O7
- MW
- 756.4 g/mol
VQ-022013
(S)-Tert-Butyl 2,6-dimethyl-3-oxohept-1-en-4-ylcarbamate
- CAS
- 247068-81-1
- Formula
- C14H25NO3
- MW
- 255.35 g/mol
VQ-024797
![[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester chemical structure](/media/structures/DDMPMIMTLBGEHT-HZMBPMFUSA-N.svg)
[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester
- CAS
- 247068-83-3
- Formula
- C14H25NO4
- MW
- 271.35 g/mol
VQ-032398
Benzyl (tert-Butoxycarbonyl)-L-leucyl-L-phenylalaninate
- CAS
- 70637-26-2
- Formula
- C27H36N2O5
- MW
- 468.6 g/mol
VQ-044329
Carfilzomib Impurity 34 (Trifluoroacetate Salt)
- CAS
- 1800500-63-3
- Formula
- C11H18F3NO4
- MW
- 285.26 g/mol
VQ-044343
FAQs — Carfilzomib impurities
Which Carfilzomib impurities do you supply?
We list 73 Carfilzomib-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 Carfilzomib 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 Carfilzomib 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 Carfilzomib impurity standards
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