Carfilzomib > Impurities > 18

Structure Compound Pricing
N-[(1S)-3-Methyl-1-[[(2R)-2-Methyl-2-oxiranyl]carbonyl]butyl]-,1,1-diMethylethyl ester
CS-O-11241 > Impurities

Molecular Formula : C14H25NO4   Molecular Weight: 271.35   CAS Number: 247068-82-2
Synonyms : tert-butyl N-[4-methyl-1-(2-methyloxiran-2-yl)-1-oxopentan-2-yl]carbamate
Parent API : Carfilzomib
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Carfilzomib intermediate isomer
CS-O-16725 > Impurities

Molecular Formula : C14H25NO4   Molecular Weight: 271.35   CAS Number: 247068-83-3
Synonyms : tert-butyl ((S)-4-methyl-1-((S) -2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate; [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester; N-[(1S)-3-Methyl-1-[[(2S)-2-methyl-2-oxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester
Parent API : Carfilzomib
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Carfilzomib Impurity 1
CS-P-01243 > Impurities

Molecular Formula : C45H63N5O14   Molecular Weight: 898.02   CAS Number: NA
Synonyms : 2-hydroxy-2-({[(4S)-2-hydroxy-2,6-dimethyl-4-[(2S)-2-[(2S)-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamido]-3-phenylpropanamido]-3-oxoheptyl]oxy}carbonyl)butanedioic acid
Parent API : Carfilzomib
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Carfilzomib Impurity 3
CS-P-02587 > Impurities

Molecular Formula : C40H59N5O8   Molecular Weight: 737.94   CAS Number: NA
Synonyms : (2S)-N-[(1R)-1-{[(2S,4S)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl]carbamoyl}-2-phenylethyl]-4-methyl-2-[(2R)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 2
CS-P-02586 > Impurities

Molecular Formula : C40H59N5O8   Molecular Weight: 737.94   CAS Number: 1541172-75-1
Synonyms : (2S)-N-[(1S)-1-{[(2R,4S)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl]carbamoyl}-2-phenylethyl]-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 4 (N-Oxide Impurity)
CS-P-02588 > Impurities

Molecular Formula : C40H57N5O8   Molecular Weight: 735.93   CAS Number: NA
Synonyms : 4-({[(1S)-1-{[(1S)-3-methyl-1-{[(1S)-1-{[(2R)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamoyl}-2-phenylethyl]carbamoyl}butyl]carbamoyl}-3-phenylpropyl]carbamoyl}methyl)morpholin-4-ium-4-olate
Parent API : Carfilzomib
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Carfilzomib Impurity 5
CS-P-02589 > Impurities

Molecular Formula : C34H48N4O5   Molecular Weight: 592.78   CAS Number: NA
Synonyms : (2S)-2-(2-amino-4-phenylbutanamido)-4-methyl-N-[(1S)-1-({4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl}carbamoyl)-2-phenylethyl]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 6
CS-P-02590 > Impurities

Molecular Formula : C40H57N5O7   Molecular Weight: 719.93   CAS Number: NA
Synonyms : (2S)-4-methyl-N-[(1S)-1-{[(2R)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamoyl}-2-phenylethyl]-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 7
CS-P-02591 > Impurities

Molecular Formula : C40H57N5O7   Molecular Weight: 719.93   CAS Number: NA
Synonyms : (2S)-4-methyl-N-[(1S)-1-{[(2S)-4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamoyl}-2-phenylethyl]-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 8
CS-P-02592 > Impurities

Molecular Formula : C40H57N5O6   Molecular Weight: 703.93   CAS Number: NA
Synonyms : (2S)-N-[(1S)-1-{[(4R)-2,6-dimethyl-3-oxohept-1-en-4-yl]carbamoyl}-2-phenylethyl]-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 9
CS-P-02593 > Impurities

Molecular Formula : C39H56N4O7   Molecular Weight: 692.9   CAS Number: NA
Synonyms : tert-butyl N-[(1S)-1-{[(1S)-3-methyl-1-{[(1S)-1-{[(2R)-4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamoyl}-2-phenylethyl]carbamoyl}butyl]carbamoyl}-3-phenylpropyl]carbamate
Parent API : Carfilzomib
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Carfilzomib Impurity 10
CS-P-02594 > Impurities

Molecular Formula : C40H57N5O7   Molecular Weight: 719.93   CAS Number: NA
Synonyms : (2S)-4-methyl-N-[(1S)-1-{[(2R)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamoyl}-2-phenylethyl]-2-[(2R)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 11
CS-P-02595 > Impurities

Molecular Formula : C40H57N5O7   Molecular Weight: 719.93   CAS Number: NA
Synonyms : (2R)-4-methyl-N-[(1R)-1-{[(2S)-4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamoyl}-2-phenylethyl]-2-[(2R)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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Carfilzomib Impurity 12
CS-P-02596 > Impurities

Molecular Formula : C40H57N5O7   Molecular Weight: 719.93   CAS Number: NA
Synonyms : NA
Parent API : Carfilzomib
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Carfilzomib Impurity 13 HCl
CS-P-02597 > Impurities

Molecular Formula : C16H23ClN2O4   Molecular Weight: 342.82   CAS Number: 1396006-45-3 (free base)
Synonyms : (2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanoic acid hydrochloride
Parent API : Carfilzomib
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Carfilzomib Impurity 14
CS-P-02598 > Impurities

Molecular Formula : C22H33N3O5   Molecular Weight: 419.52   CAS Number: 1396006-47-5
Synonyms : (2S)-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanoic acid
Parent API : Carfilzomib
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Carfilzomib Impurity 15
CS-P-02599 > Impurities

Molecular Formula : C40H58ClN5O7   Molecular Weight: 756.38   CAS Number: NA
Synonyms : (2S)-N-[(1S)-1-[(1-chloro-2-hydroxy-2,6-dimethyl-3-oxoheptan-4-yl)carbamoyl]-2-phenylethyl]-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamide
Parent API : Carfilzomib
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(2S)-2-amino-4-oxo-4-phenylbutanoic acid hydrochloride
CS-P-00818 > Impurities

Molecular Formula : C10H12ClNO3   Molecular Weight: 229.66   CAS Number: 168154-76-5
Synonyms : (2S)-2-amino-4-oxo-4-phenylbutanoic acid hydrochloride; Carfilzomib Related Impurity
Parent API : Carfilzomib
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