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Home/Compounds/Pharmaceutical Intermediate/Benzohydrol
C13H12O
184.23 g/mol
Pharmaceutical IntermediateWarning

Diphenylmethanol

CAS91-01-0EC202-033-8
Category
Pharmaceutical Intermediate
Compound Class
Alcohol
Primary Use
Pharmaceutical Intermediate

Diphenylmethanol, also known as benzhydrol, is an organic compound that appears as a white solid. It serves as the parent member of a large class of diaryl alcohols and is commonly used as a pharmaceutical intermediate in drug synthesis.

Pharmaceutical intermediate for drug synthesis

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

Tetrahydroisoquinoline

CAS91-21-4

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Fenamic acid

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pharmaceutical intermediate

ReferenceSame Category

(R)-Methyl 4-((3R,5S,8S,9S,10S,13R,14S,17R)-3-(tert-butyldimethylsilyloxy)-10,13-dimethyl-7-(trimethylsilyloxy)-2,3,4,5,8,9,10,11,12,13,14,15,16,17-Tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate

CAS91097-40-4

pharmaceutical intermediate

ReferenceSame Category

5-Bromo-2-methyl-3-nitropyridine

CAS911434-05-4

pharmaceutical intermediate

Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for Diphenylmethanol (CAS 91-01-0) is 2906.29.

HS code (international, 6-digit)

2906.29

EU CN code (8-digit)

2906 29 00

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

diphenylmethanol

InChIKey

QILSFLSDHQAZET-UHFFFAOYSA-N

SMILES

C1=CC=C(C=C1)C(C2=CC=CC=C2)O

Synonyms (25)
  • Benzhydrol, United States Pharmacopeia (USP)
  • Cyclizine impurity B, European Pharmacopoeia (EP)
  • Diphenhydramine EP Impurity D; Dimenhydrinate EP Impurity I; Ebastine EP Impurity A; Cyclizine Hydrochloride EP Impurity B
  • 1,1-diphenylmethanol
  • 1gt5
  • Benzhydrol (Diphenylmethanol)
  • Benzhydryl alcohol
  • Benzohydrol
  • Cyclizine impurity B CRS
  • DIMENHYDRINATE IMPURITY I
  • DIPHENHYDRAMINE IMPURITY D
  • Diphenylcarbinol
  • Diphenylmethanol
  • Diphenylmethanol (Benzhydrol)
  • Diphenylmethyl alcohol
  • Hydroxydiphenylmethane
  • alpha-Phenylbenzenemethanol
  • alpha-phenylbenzyl alcohol

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