C19H14Cl2
313.2 g/mol
Pharmaceutical IntermediateWarning
2-Chlorotrityl chloride
CAS42074-68-0EC255-647-3
Category
Pharmaceutical Intermediate
Compound Class
Halocarbon
Primary Use
Pharmaceutical Intermediate
2-Chlorotrityl chloride is a chemical compound used as a protecting group reagent in peptide synthesis. It is a halogenated aromatic compound with three rings and is employed primarily in pharmaceutical manufacturing as an intermediate.
Protecting group reagent for peptide 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
StrongSame Parent
2-Chlorotrityl chloride
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ApplicationSame Use
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ReferenceSame Category
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ReferenceSame Category
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ReferenceSame Category
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Safety Reference
Warning
H290May be corrosive to metals
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Chlorotrityl chloride (CAS 42074-68-0) is 2903.99.
HS code (international, 6-digit)
2903.99
EU CN code (8-digit)
2903 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
1-chloro-2-[chloro(diphenyl)methyl]benzene
InChIKey
JFLSOKIMYBSASW-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3Cl)Cl
Synonyms (31)
- 1-Chloro-2-(chlorodiphenylmethyl)benzene; Clotrimazole Imp. C (EP); Clotrimazole Impurity C
- Clotrimazole EP Impurity C
- 2-Chlorotrityl Chloride (90%)
- 2-Chlorotrityl Chloride Resin
- 2-Chlorotrityl chloride
- 2-chlorotrityl resin
- CLOTRIMAZOLE IMPURITY C
- Chlorotrityl chloride
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