Popeye Biotechnology (Shenzhen) Co.,Ltd.

Bortezomib Impurity A

Pyrazine-2-carboxylic acid (1-carbamoyl-2-phe-nyl-ethyl)-amide

Bortezomib Impurity B

(S)-3-Phenyl-2-[(pyrazine-2-carbonyl)-amino]-propionic acid

Bortezomib Impurity C

1-[[(2S)-1-oxo-3-phenyl-2-[(pyrazinylcarbonyl)amino]propyl]amino] pentylboronic acid

Bortezomib Impurity D

[(1R)-3-methyl-1-({(2R)-3-phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanoyl}amino)butyl]boronic acid

Bortezomib Impurity E

Pyrazine-2-carboxylic acid [1-(1-hydroxy-3-met-hyl-butylcarbamoyl)-2-phenyl-ethyl]-amide

Bortezomib Impurity F

(S)-3-Phenyl-2-[(pyrazine-2-carbonyl)-amino]-propionic acid methylester

Bortezomib Impurity G

Pyrazine-2-carboxylic acid [1-(1-hydroxy-3-methyl-butylcarbamoyl)-2-phenyl-ethyl]-amide

Bortezomib Impurity H

Pyrazine-2-carboxylic acid [1-(3-methyl-butyl-carbamoyl)-2-phenyl-ethyl]-amide

Bortezomib Impurity I

Pyrazine-2-carboxylic acid {1-[3-methyl-1-(2,9,9-trimethyl-3,5-dioxa-4-bora-tricyclo [6.1.1.02,6]dec-4-yl)-butylcarbamoyl]-2-phenyl-ethyl}-amide

Bortezomib Impurity PS619

(S)-3-Phenyl-2-[(pyrazine-2-carbonyl)-amino]-propionic acid methylether    

Bortezomib Impurity M 

Pyrazine-2-carboxylic acid[1-(hydroxy-3-methyl-butylcarbamoyl)-2-phenyl-ethyl]-amide    

Bortezomib Impurity N    

Pyrazine-2-carboxylic acid{1-[3-methyl-1-)2,9,9-trimethyl-3,5-dioxa-4-bora-tricyclo[6.1.1.02,6]dec-4-yl)-butylcarbamoyl]-2-phenyl-ethyl}-amide   

Bortezomib Impurity (R,R-Isomer)

Bortezomib Impurity (R,S-Isomer)

Bortezomib Impurity (S,S-Isomer)

For more products information or inquiry help, 

Pls feel free to contact: popeye02@qq.com

Popeye Biotechnology (Shenzhen) Co.,Ltd.

Website: www.popeyebio.com, 

We also have providing the below impurities:

Ambrisentan, Venlafaxine, Metformin Hydrochloride, Finasteride, Ilaprazole,

Lacosamide, Moxifloxacin, Fingolimod,  Lenvatinib, Minocycline, Phentolamine,

Brexpiprazole, Esomeprazole, Tadalafil, Prucalopride, Imidafenacin, Aripiprazole,

Sodium Picosulfate, Nicorandil, Dutasteride, Finasteride, Miriplatin, Vorapaxar,

Ramosetron, Cangrelor, Azithromycin, Olanzapine, Ornidazole, Dasatinib, Ebastine,

Obeticholic, Dronedarone, Tebipenem, Fluconazole, Levocarnitine, Oxiracetam, 

Carbidopa, Meropenem, Milnacipran, Etoricoxib, Tenofovir, Bisoprolol, Argatroban,

Tofacitinib, Abiraterone, Febuxostat, Retigabin, Pidotimod, Avanafil, Azelnidipine, 

Pramipexole, Vildagliptin,Fluoxetine, Sorafenib, Acotiamide, Apixaban, Amlodipine, 

Dabigatran, Linezolid, Erlotinib, Bortezomib, Tadalafil, Rabeprazole, Vortioxetine,

Clemastine Fumarate, Benidipine, Ambroxol Hydrochloride, Topiroxostat, Olaparib,

Cyclobenzaprine, Linagliptin, Ticagrelor, Apremilast, Azacitidine, Canagliflozin, 

Saxagliptin, Nilvadipine, Lesinurad, Parecoxib, Besivance, Olopatadin, Ilaprazole,

Tedizolid, Linagliptin, Sitagliptin, Varenicline, Eszopiclone, Canaglifozion,

Moxifloxacin, Roxatidine, Roflumilast, Fosaprepitant, Silodosin, Levocarnitine, 

Pixantrone, Moxifloxacin, Ilaprazole, Ropivacaine, Palonosetron Hydrochloride,

Ospemifene, Ziprasidone, Fosaprepitant, Prasugrel, Salmeterol, Montelukast Sodium,

Parecoxib, Varenicline Tartrate, Efavirenz, Omeprazole, Fulvestrant,Sorafenib，

Ramelteon, Rebamipide, Bepotastine Besylate, Lubiprostone, Pramipexole, Silodosin, 

etc ...