Thiazol-5-yl-methyl [(1S,2S,4S)-1-benzyl-2-hydroxy-4[[(2S)-3-methyl-2-[[methyl[[2-(1-methylethyl)thiazol-4-yl]methyl]carbamoyl]amino]butanoyl ]amino]-5-phenylpentyl]carbamate ; CAS # 155213-67-5 ;

Ritonavir BP Impurity A ; Ureidovaline Ritonavir (USP) ; (2S)-3-Methyl-2-[[methyl[[2-(1-methylethyl)thiazol-4-yl]methyl]carbamoyl] amino]butanoicacid ; CAS # 154212-61-0 ;

Ritonavir BP Impurity B ; N-Deacylvaline Ritonavir (USP) ; Thiazol-5-yl-methyl [(1S,2S,4S)-4-[[(2S)-2-amino-3-methylbutanoyl]amino]-1-benzyl-2-hydroxy-5-phenylpentyl]carbamate ; CAS # 165315-97-9 (HCl salt) ; 765875-58-9 (base) ;

Ritonavir BP Impurity C ; Acetamido-Alcohol Ritonavir (USP) ; Thiazol-5-yl-methyl [(1S,2S,4S)-4-(acetylamino)-1-benzyl-2-hydroxy-5-phenylpentyl]carbamate ; CAS # 1010808-43-1 ;

Ritonavir BP Impurity D ; 2,5-Thiazolylmethyl-dicarbamate Ritonavir (USP) ; Thiazol-5-yl-methyl [(1S,2S,4S)-1-benzyl-2-hydroxy-5-phenyl-4-[[(thiazol-5-yl-methoxy)carbonyl]amino]pentyl]carbamate ; CAS # 144142-33-6 ;

Ritonavir BP Impurity E ; Hydroxy Ritonavir (USP) ; CAS # 176655-56-4 ;

Ritonavir BP Impurity F ; Hydantoin Amino Alcohol Ritonavir (USP) ; Thiazol-5-yl-methyl [(1S,2S,4S)-1-benzyl-4-[[(2S)-1-benzyl-2-hydroxy-4-[(4S)-4-(1-methylethyl)-2,5-dioxoimidazolidin-1-yl]-5-phenylpentyl]carbamate ; CAS # 1010809-61-6 ;

Ritonavir BP Impurity G ; Ritonavir Hydroperoxide (USP) ; CAS # 2034136-66-6 ;

Ritonavir BP Impurity H ; Hydantoin-Oxazolidinone Ritonavir (USP) ; Des-Isopropylthiazolyl Hydantoin-Oxazolidinone Ritonavir ; CAS # 1010809-43-4 ;

Ritonavir Ethyl Analog (USP) ; 2-Desisopropyl 2-Ethyl Ritonavir ; Thiazol-5-yl-methyl [((1S,2S,4S)-1-benzyl-4[[(2S)-2-[[[[2-ethylthiazol-4-yl]methyl]methylcarbamoyl]amino]-3-methylbutanoyl]amino]-2-hydroxy-5-phenylpentyl]carbamate ; CAS # 165315-26-4 ;

Ritonavir BP Impurity J ; Ritonavir BOC-Aminoalcohol (USP) ; Thiazol-5-yl-methyl [(1S,2S,4S)-1-benzyl4-[[(1,1-dimethylethoxy)carbonyl] amino]-2-hydroxy-5-phenylpentyl]carbamate ; CAS # 162849-95-8 ;

Ritonavir BP Impurity K ; Ritonavir Isobutoxycarbonyl Aminoalcohol (USP) ; Thiazol-5-yl-methyl (1S,2S,4S)-1-benzyl-2-hydroxy-4-[[(2-methylpropoxy) carbonyl] amino]-5-phenylpentyl]carbamate ; CAS # 1010809-39-8 ;

Ritonavir BP Impurity L ; Oxazolidinone Ritonavir (USP) ; Desthiazolylmethyl Ritonavir ; CAS # 256328-82-2 ;

Ritonavir BP Impurity M ; Ritonavir Ureidovaline Isobutyl Ester (USP) ; CAS # 1010808-43-13 ;

Ritonavir BP Impurity N ; Ritonavir 4-Hydroxy Isomer (USP) ; CAS # 202816-62-4 ;

Ritonavir BP Impurity O ; 3-Epimer Ritonavir (USP) ; CAS # 1414933-81-5 ;

Ritonavir BP Impurity P ; Ritonavir Aminoalcohol Urea (USP) ; Bis(thiazol-5-yl-methyl)[carbonylbis[imino[(2S,3S,5S)-3-hydroxy-1,6-diphenylhexane-5,2-diyl]]]dicarbamate ; CAS # 2804644-96-8 ;

Ritonavir BP Impurity Q ; Ritonavir (3R,5R)-Diastereomer (USP) ; CAS # 1414933-82-6 ;

Ritonavir BP Impurity R ; 5-Epimer Ritonavir (USP) ; CAS # 1414933-80-4 ;

Ritonavir BP Impurity S ; Ritonavir Valine Urea Analog (USP) ; CAS # 2084828-53-3 ;

Ritonavir BP Impurity T ; Ritonavir Divalinyl analog (USP) ; CAS # 869368-48-9 ;

Ritonavir BP Impurity U ; O-Acyl Ritonavir (USP) ;

((S)-1-((2S,4S,5S)-4-Hydroxy-1,6-diphenyl-5-((thiazol-5-ylmethoxy)carbonyl)hexan-2-ylamino)-3-methyl-1-oxobutan-2-yl)carbamic acid ethyl ester ;

(S)-((2S,3S)-5-amino-1,6-diphenyl-2-((thiazol-5-ylmethoxy)carbonyl)hexan-3-yl) 2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoate hydrochloride ; CAS # 959315-21-0 (base) ;