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Home/Compounds/Pharmaceutical Intermediate/5-chloro-2-(3-methyl-4H-1,2,4-triazol-4-yl)benzophenone
C16H12ClN3O
297.74 g/mol
Pharmaceutical Intermediate

5-CHLORO-2-(3-METHYL-4H-1,2,4-TRIAZOL-4-YL)BENZOPHENONE

CAS36916-19-5EC609-311-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

This compound is a chlorinated benzophenone derivative featuring a triazole ring, used as a pharmaceutical intermediate. It is specifically employed as a reference standard for the impurity profiling of alprazolam.

Pharmaceutical intermediateReference standard for alprazolam impurity analysis

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

ReferenceSame Category

7-Amino-3-cephem-4-carboxylic acid

CAS36923-17-8

pharmaceutical intermediate

ReferenceSame Category

7-Amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester

CAS36923-21-4

pharmaceutical intermediate

ReferenceSame Category

2-Amino-5-chloro-6-methylpyridine

CAS36936-23-9

pharmaceutical intermediate

ReferenceSame Category

2-Amino-5-chloro-4-picoline

CAS36936-27-3

pharmaceutical intermediate

Referencesame scaffold

(5-chloro-2-(3-(chloromethyl)-5-methyl-4H-1,2,4-triazol-4-yl)phenyl)(phenyl)methanone

CAS37945-07-6

Reference standard impurity

Referencesame scaffold

2-(3-(hydroxymethyl)-5-methyl-4-triazolyl)-5-chlorobenzophenone

CAS38150-27-5

pharmaceutical intermediate

Referencesame scaffold

(2-(3-(Aminomethyl)-5-methyl-4H-1,2,4-triazol-4-yl)-5-chlorophenyl)(phenyl)methanone

CAS125316-83-8

pharmaceutical intermediate

Customs Tariff Classification

The international HS code for 5-CHLORO-2-(3-METHYL-4H-1,2,4-TRIAZOL-4-YL)BENZOPHENONE (CAS 36916-19-5) 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

[5-chloro-2-(3-methyl-1,2,4-triazol-4-yl)phenyl]-phenylmethanone

InChIKey

VUIFLGOWWHHEKJ-UHFFFAOYSA-N

SMILES

CC1=NN=CN1C2=C(C=C(C=C2)Cl)C(=O)C3=CC=CC=C3

Synonyms (11)
  • ALPRAZOLAM IMPURITY C (EP IMPURITY)
  • Alprazolam EP Impurity C
  • Alprazolam Imp. C (EP); Benzophenone, [5-Chloro-2-(3-methyl-4H-1,2,4-triazol-4-yl)phenyl]phenylmethanone; 5-chloro-2-(3-methyl-4H-1,2,4-triazol-4-yl)-
  • Alprazolam impurity C

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