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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Bortezomib, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Bortezomib 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 Bortezomib-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.

Bortezomib Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,2R)-Bortezomib-d5 Stable Isotopes CS-T-96439 Not Available Enquire
(1S,2R)-Bortezomib-d5 Stable Isotopes CS-T-96438 Not Available Enquire
3-Hydroxy Bortezomib-d6 Stable Isotopes CS-T-96431 Not Available Enquire
Bortezomib-d9 Stable Isotopes CS-O-44725 Not Available Enquire
N(1-(3-Methylbutanamido) N(1-Des(boric Acid))-d9 Bortezomib Stable Isotopes CS-T-96390 2714485-78-4 Enquire
Bortezomib d5 Stable Isotopes CS-O-33031 1133706-15-6 Enquire
Bortezomib D8 Stable Isotopes CS-O-06444 179324-69-7 (Unlabeled) Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-(3-Methyl-1-(pyrazine-2-carboxamido)butyl)boronic Acid Impurity CS-T-93999 Not Available In Stock
(R)-3-Methyl-1-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-yl)... Impurity CS-O-46470 1243174-57-3 In Stock
(R)-Hydroxy Des(boric Acid) Bortezomib Impurity CS-T-27111 289472-78-2 In Stock
(R)-N-(1-(3-methylbutanamido)-1-oxo-3-phenylpropan-2-yl)pyra... Impurity CS-O-48137 - Enquire
Bortezomib Amino R Isomer (TFA salt) Impurity CS-T-60589 179324-87-9 In Stock
Bortezomib Hydroxypentyl Amide Analog (SR,SS Mixture) Impurity CS-O-59496 ---- Enquire
Bortezomib Impurity 1 Impurity CS-O-59052 1788087-64-8 Enquire
Bortezomib Impurity 29 Impurity CS-P-02445 89-01-0 In Stock
Bortezomib Impurity 3 Impurity CS-O-42125 2748159-75-1 Enquire
Bortezomib Impurity 3 (S-isomer) Impurity CS-P-07311 289472-80-6 In Stock
Bortezomib Impurity 6 Impurity CS-EO-01555 Not Available Enquire
Bortezomib Impurity B Impurity CS-T-60906 114457-94-2 In Stock
Bortezomib Impurity D Impurity CS-O-42128 ---- Enquire
Bortezomib Impurity G Impurity CS-T-27112 289472-81-7 In Stock
Bortezomib SS And RR Diastereomer Impurity Impurity CS-O-59497 ---- Enquire
Desisobutyl-n-butyl Bortezomib Impurity CS-O-15059 1104011-35-9 Enquire
N-(1-((3-methyl-1-((3aS,4S,6S,7aS)-3a,5,5-trimethylhexahydro... Impurity CS-O-48138 - Enquire
(3aS,4S,6S,7aR)-2-Isobutyl-3a,5,5-trimethylhexahydro-4,6-met... Impurity CS-DJ-01171 84110-34-9 Enquire
(R)-Bortezomib Hydroperoxy Impurity Impurity CS-O-14780 886979-78-8 Enquire
(S)-Bortezomib Hydroperoxy Impurity Impurity CS-O-14779 886979-81-3 Enquire
(S)-N-(1-(3-methylbutanamido)-1-oxo-3-phenylpropan-2-yl)pyra... Impurity CS-O-14778 862894-96-0 Enquire
1,1,1-trimethyl-N-((S)-2-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-tr... Impurity CS-O-40046 1135491-84-7 Enquire
3,6-dibenzyltetrahydro-2,5-pyrazinedione Impurity CS-EL-24439 2308-61-4 Enquire
Bortezomib Desphenylalanyl Analog Impurity CS-O-34234 Not Available Enquire
Bortezomib Dimer Impurity CS-O-34365 Not Available Enquire
Bortezomib D-phenylalanyl analog Impurity CS-O-38654 Not Available Enquire
Bortezomib Hydroxy ketone analog Impurity CS-T-93737 2379402-85-2 Enquire
Bortezomib Impurity 10 Impurity CS-P-07309 390800-88-1 Enquire
Bortezomib Impurity 11 Impurity CS-EO-01104 862895-00-9 Enquire
Bortezomib Impurity 32 Impurity CS-P-07310 1310383-72-2 Enquire
Bortezomib Impurity 55 Impurity CS-EO-01541 292061-26-8 Enquire
Bortezomib Impurity 9 Impurity CS-P-07308 1194235-41-0 Enquire
Bortezomib Impurity F Impurity CS-T-40983 73058-37-4 Enquire
Bortezomib Impurity H Impurity CS-P-07306 1446194-56-4 Enquire
Bortezomib N-Formyl analog Impurity CS-O-34235 Not Available Enquire
Bortezomib Pinanediol Ester Impurity CS-T-60590 205393-22-2 Enquire
Hydroxy Bortezomib Impurity CS-O-14781 Not Available Enquire
N-(1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylprop... Impurity CS-O-38945 2747958-64-9 Enquire
N,N-Bis(trimethylsilyl)-(1R)-1-[(3aS,4S,6S,7aR)-hexahydro-3a... Impurity CS-O-37985 514820-48-5 Enquire
Pyrazine-2-carboxylic acid (1-[3-methyl-1-(2,9-dimethyl-3,5-... Impurity CS-O-42129 Not Available Enquire
Pyrazine-2-carboxylic acid [1-(1-hydroxy-3-methyl-butyl carb... Impurity CS-O-36966 Not Available Enquire
Pyrazine-2-carboxylic acid(1-(3-methyl-butylcarbamoyl)-2-phe... Impurity CS-O-42127 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1S,2S,3R,5S)-(+)-2,3-Pinanediol Intermediate CS-T-39986 18680-27-8 In Stock
1-Chloro-2-methylpropane Intermediate CS-O-15158 513-36-0 In Stock
Boc-D-Phenylalanine Intermediate CS-T-07663 18942-49-9 In Stock
N-[(1S)-2-Amino-2-oxo-1-(phenylmethyl)ethyl]-2-pyrazinecarbo... Intermediate CS-T-03255 289472-80-6 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S,6S)-4-(1-Chloro-3-methylbutyl)-2,9,9-trimethyl-3,5-dioxa... Fine Chemicals CS-ED-01200 85167-14-2 Enquire
(S)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,... Fine Chemicals CS-O-37986 477254-69-6 Enquire
(S)-3-phenyl-2-((S)-3-phenyl-2-(pyrazine-2-carboxamido)propa... Fine Chemicals CS-O-36127 1194235-14-7 Enquire
3-phenyl-2-(pyrazine-2-carboxamido)propanoic acid Fine Chemicals CS-O-37602 2364553-64-8 Enquire
Phenylalanine isopentylamide Fine Chemicals CS-O-39725 110755-29-8 Enquire
tert-Butyl Tosylate Fine Chemicals CS-T-09534 4664-57-7 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1S,2R) Bortezomib Therapeutic CS-O-20087 1132709-16-0 In Stock
Bortezomib Therapeutic CS-O-00482 179324-69-7 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Isobutylboronic acid Building Blocks CS-M-05120 84110-40-7 In Stock


Carbohydrates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bortezomib D-mannitol Carbohydrates CS-ED-42157 444576-08-3 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1S,2S) Bortezomib Chiral CS-O-20088 1132709-14-8 Enquire
Bortezomib 1R, 2R Isomer Chiral CS-O-31035 1132709-15-9 In Stock