C7H5ClO2
156.56 g/mol
Pharmaceutical IntermediateDanger
4-Chlorobenzoic acid
CAS74-11-3EC200-805-9
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
4-Chlorobenzoic acid is a chemical compound that serves as an intermediate in the production of dyes, fungicides, and pharmaceuticals. It also functions as a preservative in adhesives and paints and is involved in the synthesis of other chemicals such as m-chlorophenol and iodamide.
intermediate for dyesintermediate for fungicidesintermediate for pharmaceuticals
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
Methyl iodide
CAS74-88-4
pharmaceutical intermediate
ReferenceSame Category
4-coumaric acid
CAS7400-08-0
pharmaceutical intermediate
ReferenceSame Category
3-(trifluoromethyl)cyclohex-2-en-1-one
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pharmaceutical intermediate
ReferenceSame Category
Methyl 2-(2,3-dichlorobenzylidine)acetoacetate
CAS74073-22-6
pharmaceutical intermediate
Referencestereoisomer of
4-Chloro(²H₄)benzoic acid
CAS85577-25-9
research compound
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-Chlorobenzoic acid (CAS 74-11-3) is 2916.39.
HS code (international, 6-digit)
2916.39
EU CN code (8-digit)
2916 39 90
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
4-chlorobenzoic acid
InChIKey
XRHGYUZYPHTUJZ-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C(=O)O)Cl
Synonyms (24)
- Acemetacin impurity A, European Pharmacopoeia (EP)
- Indometacin EP Impurity A
- Indometacin EP Impurity A; Bezafibrate EP Impurity B; Acemetacin EP Impurity A; Clopamide EP Impurity B
- 4-Chlorobenzoic acid
- 4-Chlorobenzoic acid (4-CBA)
- ACEMETACIN IMPURITY A
- Acemetacin impurity A CRS
- Acido p-clorobenzoico
- Benzoic acid, 4-chloro-
- Benzoic acid, p-chloro-
- CHLOROBENZOIC ACID, P-
- Chlorodracylic acid
- INDOMETACIN IMPURITY A
- Mycosid
- P-CHLOROBENZOIC ACID
- S3 (4-chlorobenzoic acid)
- p-Carboxychlorobenzene
- p-Chlorbenzoic acid
- para-Chlorobenzoic acid
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