C7H6ClNO2
171.58 g/mol
Pharmaceutical IntermediateWarning
4-CHLORO-2-NITROTOLUENE
CAS89-59-8EC201-921-2
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Chloro-2-nitrotoluene is a chemical compound used primarily as a pharmaceutical intermediate. It has been classified by the International Agency for Research on Cancer (IARC) as a Group 2A probable carcinogen based on limited human evidence and sufficient animal evidence.
pharmaceutical intermediate
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
4-Chloro-3-nitrotoluene
CAS89-60-1
pharmaceutical intermediate
ReferenceSame Category
4-chloroanthranilic acid
CAS89-77-0
pharmaceutical intermediate
ReferenceSame Category
(3-Bromopropoxy)-tert-butyldimethylsilane
CAS89031-84-5
pharmaceutical intermediate
ReferenceSame Category
5'-chloro-5'-deoxyadenosine
CAS892-48-8
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 4-CHLORO-2-NITROTOLUENE (CAS 89-59-8) is 2904.99.
HS code (international, 6-digit)
2904.99
EU CN code (8-digit)
2904 99 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
4-chloro-1-methyl-2-nitrobenzene
InChIKey
SQFLFRQWPBEDHM-UHFFFAOYSA-N
SMILES
CC1=C(C=C(C=C1)Cl)[N+](=O)[O-]
Synonyms (12)
- 2-Nitro-4-chlorotoluene
- 4,2-Chloronitrotoluene
- 4-CHLORO-2-NITROTOLUENE
- 4-chlor-2-nitrotoluol
- 5-Chloro-2-methylnitrobenzene
- Toluene, 4-chloro-2-nitro-
- p-Chloro-o-nitrotoluene
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