Ritonavir EP Impurity B

CAS NO.：765875-58-9
Empirical Formula: C28H36N4O4S
Molecular Weight: 524.67
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 06:24:21

What is Ritonavir EP Impurity B?

The Uses of Ritonavir EP Impurity B

[4-[(2-Amino-3-methyl-1-oxobutyl)amino]-2-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]-carbamic Acid 5-Thiazolylmethyl Ester, is an intermediate that can be used for the synthesis of Ritonavir (R535000), which is a selective HIV protease inhibitor.

Properties of Ritonavir EP Impurity B

Melting point:	145-148oC
storage temp.	-20°C Freezer
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
color	Off-White

Safety information for Ritonavir EP Impurity B

Computed Descriptors for Ritonavir EP Impurity B

New Products

6-Hydroxy-2,4-Diaminopyrimidine 2,6-Dipicolic Acid 3-AMINO-3-(2-CHLORO-PHENYL)-PROPIONIC ACID 4-Fluorophenylglycine 1-N-Boc-3-(aminoethyl)azetidine Dimedone 1-Boc-3-(cyanomethyl)azetidine N-BOC-piperidine-4-carboxylic acid 2-Amino-5-Bromo Pyridine 2-Amino-5-Iodopyridine 2,5-Dibromopyridine METHANOL-D1(OD) 3-BROMO PYRIDINE-D4 2-BROMOACETYL BROMIDE-D2 DEUTERIUM OXIDE FOR NMR BENZENE-D6 TOLUENE-D3 5-Acetylsalicylamide 1-(3-Chlorophenyl)-4-(3-Chloropropyl) piperazine hydrochloride 4-(Methyl amino)-3-Nitro benzoic acid 3,4,5-Trimethoxy benzoic acid

Related products of tetrahydrofuran

2,3-Dihydroxypropyl (3S,6S,8S,9S)-8-hydroxy-3-(1-methylethyl)-4,11-dioxo-6,9-bis(phenylmethyl)-13-(5-thiazolyl)-12-oxa-2,5,10-triazatridecanoate

N-[(1S,2S,4S)-4-(AcetylaMino)-2-hydroxy-5-phenyl-1-(phenylMethyl)pentyl]carbaMic Acid 5-ThiazolylMethyl Ester

Ritonavir EP Impurity T

(4S,5S)-4-Benzyl-5-[(2S)-2-((4S)-4-isopropyl-2,5-dioxoiMidazolidin-1-yl)-3-phenylpropyl]-2-oxo-1,3-oxazolidine-3-carboxylate thiazol-5-ylMethyl Ester

Hydroxy Ritonavir

(2S,3S,5S)-5-(tert-Butoxycarbonylamino)-2-(N-5-thiazolylmethoxycarbonyl)amino-1,6-diphenyl-3-hydroxyhexane

(S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid

Des(isopropylthiazolyl) Hydantoin Ritonavir