C31H35N5O3
525.6 g/mol
Pharmaceutical IntermediateWarning
Valsartan benzyl ester
CAS137863-20-8
Category
Pharmaceutical Intermediate
Compound Class
Amide
Primary Use
Pharmaceutical Intermediate
Valsartan benzyl ester is a chemical compound used as a pharmaceutical impurity reference standard. It serves as a reference material for quality control in pharmaceutical manufacturing, specifically related to the antihypertensive drug valsartan.
pharmaceutical impurity reference standardquality control reference material
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.83
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N-Acetyl-N-(2-(7-methoxynaphthalen-1-yl)ethyl)acetamide
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Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Valsartan benzyl ester (CAS 137863-20-8) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
benzyl (2S)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoate
InChIKey
VXKKFWDUSKMRNO-LJAQVGFWSA-N
SMILES
CCCCC(=O)N(CC1=CC=C(C=C1)C2=CC=CC=C2C3=NNN=N3)[C@@H](C(C)C)C(=O)OCC4=CC=CC=C4
Synonyms (21)
- VALSARTAN IMPURITY B (EP IMPURITY)
- Valsartan EP Impurity B
- Valsartan Imp. B (EP); Valsartan USP Related Compound C; Valsartan USP RC C; Benzyl (2S)-3-Methyl-2-[pentanoyl-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]amino]butanoate, Valsartan Imp B (EP), Valsartan Related Compound C (USP); Valsartan Related Compound C; Valsartan Impurity B
- Valsartan benzyl ester
- Valsartan impurity B
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