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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Carfilzomib, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Carfilzomib impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Carfilzomib-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Carfilzomib Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Carfilzomib-d8 Stable Isotopes CS-O-11339 1537187-53-3 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-2-amino-4-methyl-1-((R)-2-methyloxiran-2-yl)pentan-1-one... Impurity CS-O-40365 2443766-79-6 Enquire
7(R)-epi Carfilzomib (2S,4S)-Diol Impurity CS-O-54354 ---- Enquire
7(S)-epi Carfilzomib(2S,4S)-Diol Impurity CS-O-54353 ---- Enquire
Carfilzomib (2R,4R)-Diol Impurity CS-T-93648 2049025-83-2 Enquire
Carfilzomib (2R,4S,7S,10S,13R)-Diol Impurity CS-O-58278 ---- Enquire
Carfilzomib (2S,4R)-Diol (Z)-ISOMER Impurity CS-O-46120 Not Available Enquire
Carfilzomib (2S,4S)-Diol Impurity CS-O-54351 ---- Enquire
Carfilzomib (2S,4S)-Diol Hydrochloride Impurity CS-T-93646 Not Available Enquire
Carfilzomib Dimethyl amide impurity Impurity CS-O-47047 Not Available Enquire
Carfilzomib Impurity 100 Impurity CS-O-54596 2556763-77-8 Enquire
Carfilzomib Impurity 11 Impurity CS-P-02595 ---- Enquire
Carfilzomib Impurity 13 Impurity CS-O-60157 1396006-45-3 Enquire
Carfilzomib Impurity 13 Hydrochloride Impurity CS-P-02597 1396006-45-3 (free base) Enquire
Carfilzomib Impurity 14 Impurity CS-P-02598 1396006-47-5 Enquire
Carfilzomib Impurity 15 Impurity CS-P-02599 1890999-52-6 Enquire
Carfilzomib Impurity 2 Impurity CS-P-02586 1541172-75-1 Enquire
Carfilzomib Impurity 24 Impurity CS-EO-02144 1809093-03-5 Enquire
Carfilzomib Impurity 4 (N-Oxide Impurity) Impurity CS-P-02588 1672698-96-2 In Stock
Carfilzomib Impurity 56 Impurity CS-O-44130 Not Available Enquire
Carfilzomib Impurity 6 (SSSSS) Impurity CS-P-02590 1672698-88-2 Enquire
Carfilzomib Impurity 68 (TFA salt) Impurity CS-EO-03396 1809093-03-5 (Freebase) Enquire
Carfilzomib Impurity 69 Impurity CS-EO-03022 254888-42-1 Enquire
Carfilzomib Impurity 8 Impurity CS-P-02592 1660143-42-9 Enquire
Carfilzomib Impurity 80 Impurity CS-O-43100 2436762-87-5 Enquire
Carfilzomib Impurity 99 Impurity CS-O-54599 2559766-56-0 Enquire
Carfilzomib Impurity D Impurity CS-O-54595 1890999-53-7 Enquire
Carfilzomib maleate Impurity CS-O-57073 1960444-12-5 Enquire
Des methyloxiranpentanone Carfilzomib Impurity CS-O-54350 ---- Enquire
(2S)-2-amino-4-oxo-4-phenylbutanoic acid hydrochloride Impurity CS-P-00818 168154-76-5 Enquire
(4S)-4-Amino-2,6-dimethyl-1-hepten-3-one 2,2,2-Trifluoroacet... Impurity CS-T-65765 1619233-32-7 Enquire
(R)-2-amino-4-methyl-1-((S)-2-methyloxiran-2-yl)pentan-1-one Impurity CS-O-37223 2049023-89-2 Enquire
7(R)-epi Carfilzomib (2R,4S)-diol Impurity CS-T-93645 Not Available Enquire
7(R)-epi Carfilzomib (2S,4R)-diol Impurity CS-O-35245 Not Available Enquire
Carfilzomib (2S,4R)-Diol Impurity CS-T-93647 Not Available Enquire
Carfilzomib Chloro impurity Impurity CS-T-93768 1541171-67-8 Enquire
Carfilzomib Diastereomer Impurity CS-O-40402 Not Available Enquire
Carfilzomib Impurity 1 Impurity CS-P-01243 Not Available Enquire
Carfilzomib Impurity 10 Impurity CS-P-02594 2049025-59-2 Enquire
Carfilzomib Impurity 11 (SRRRR) Impurity CS-EO-00351 Not Available Enquire
Carfilzomib Impurity 12 Impurity CS-P-02596 2049025-67-2 Enquire
Carfilzomib Impurity 25 Impurity CS-EO-00786 1140908-89-9 Enquire
Carfilzomib Impurity 26 Impurity CS-EO-00787 1960444-14-7 Enquire
Carfilzomib Impurity 27 Impurity CS-EO-00788 Not Available Enquire
Carfilzomib Impurity 28 Impurity CS-EO-00291 2049025-49-0 Enquire
Carfilzomib Impurity 3 Impurity CS-P-02587 Not Available Enquire
Carfilzomib Impurity 30 Impurity CS-EO-00789 Not Available Enquire
Carfilzomib Impurity 36 Impurity CS-EO-01737 1528769-14-3 Enquire
Carfilzomib Impurity 5 Impurity CS-P-02589 Not Available Enquire
Carfilzomib Impurity 5 (RSSSS) Impurity CS-EO-00350 254888-44-3 Enquire
Carfilzomib Impurity 62 Impurity CS-EO-02345 875309-92-5 Enquire
Carfilzomib Impurity 7 Impurity CS-P-02591 2049025-76-3 Enquire
Carfilzomib Impurity 87 Impurity CS-EO-02346 890660-08-9 Enquire
Carfilzomib Impurity 9 Impurity CS-P-02593 868540-22-1 Enquire
Carfilzomib Impurity A Impurity CS-O-42639 875309-82-3 Enquire
Carfilzomib Impurity B Impurity CS-EO-00749 Not Available Enquire
Carfilzomib Impurity D Impurity CS-O-42640 2419266-62-7 Enquire
Carfilzomib Impurity E Impurity CS-O-42641 2049025-45-6 Enquire
Carfilzomib intermediate isomer Impurity CS-O-16725 247068-83-3 Enquire
Carfilzomib Peptide Epoxide Impurity CS-O-33839 Not Available Enquire
N-[(1S)-2-Hydroxy-3-methyl-1-(2-methylpropyl)-3-buten-1-yl]-... Impurity CS-T-78816 1609959-45-6 Enquire
N-[(1S)-3-Methyl-1-[[(2R)-2-Methyl-2-oxiranyl]carbonyl]butyl... Impurity CS-O-11241 247068-82-2 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R)-2-Amino-4-methyl-1-[(2R)-2-methyl-2-oxiranyl]-1-pentano... Intermediate CS-O-51220 2049023-98-3 Enquire
(S)-2-amino-4-methyl-1-((S)-2-methyloxiran-2-yl)pentan-1-one Intermediate CS-O-51221 1528769-13-2 Enquire
(S)-Tert-butyl 2,6-dimethyl-3-oxohept-1-en-4-ylcarbamate Intermediate CS-DV-00422 247068-81-1 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-benzyl 2-((S)-2-(tert-butoxycarbonylamino)-4-methylpenta... Fine Chemicals CS-RS-00082 70637-26-2 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Boc-D-homophenylalanine Building Blocks CS-M-29727 82732-07-8 Enquire
Boc-L-homophenylalanine Building Blocks CS-O-11252 100564-78-1 Enquire