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Ramipril
Ramipril Imurity D CASNo: 108731-95-9 Ramipril diketopiperazine; In Stock
Repaglinide
EP Imp A R = H: 4-(carboxymethyl)-2-ethoxybenzoic acid In Stock EP Imp B R = C2H5: [3-ethoxy-4-(ethoxycarbonyl)phenyl] acetic acid In Stock EP Imp C (1S)-3-methyl-1-[2-(piperidin-1-yl)phenyl] butan-1-amine In Stock EP Imp D Ethyl 2-ethoxy-4-[2-[[(1S)-3-methyl-1-[2- (piperidin-1-yl)phenyl]butyl]amino]-2- oxo ethyl]benzoate In Stock EP Imp E 2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(piperidin-1- yl) phenyl]butyl]amino]-2- oxoethyl]benzoic acid. In Stock
Riluzole
USP Related Compound A 4-Trifluoromethyl aniline In Stock
Risperidone
EP Imp A 3-[2-[4-[(E)-(2,4-difluorophenyl)(hydroxyl imino) methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9- tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one In Stock EP Imp B 3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyl imino) methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9- tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one In Stock EP Imp H 3-[2-[4-(2,4-difluorobenzoyl)piperidin-1-yl]ethyl] -2-methyl-6,7,8,9-tetrahydro- 4H-pyrido[1,2-a] pyrimidin-4-one In Stock EP Imp I 3-[2-[4-[4-fluoro-2-[4-(6-fluoro-1,2-benz isoxazol -3-yl)piperidin-1-yl]benzoyl] piperidin-1-yl]ethyl] – 2-methyl-6,7,8,9-tetra hydro -4H-pyrido[1,2-a] pyrimidin-4-one In Stock Intermediate II 3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyl imino) methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9- tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one In Stock Intermediate III 3-(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl - 4H-pyrido[1,2-a]pyrimidin-4-one In...
Roxithromycin
Roxithromycin Impurity A (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6- dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexo pyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy- 3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3- (dimethylamino)-β-D-xylohexopyranosyl]oxy] oxacyclotetradecane-2,10-dione (Erythromycin A), In Stock Roxithromycin Impurity B Dicladinosyl roxithomycin In Stock Roxithromycin Impurity C 9-Erythromycin-9E-oxime, In Stock Roxithromycin Impurity D ( Roxithromycin Z isomer ), In Stock
Rupatadine
Rupatadine Impurity B, 8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro- 5H-benzo[5, 6]cyclohepta[1,2-b]pyridine In Stock