C7H5NO4
167.12 g/mol
Pharmaceutical IntermediateWarning
4-NITROBENZOIC ACID
CAS62-23-7EC200-526-2
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
4-Nitrobenzoic acid is a pale yellow organic solid used as an intermediate in the production of pharmaceuticals and dyes. It serves as a precursor to 4-nitrobenzoyl chloride, which is further utilized in the synthesis of compounds such as the anesthetic procaine and folic acid.
Intermediate for the synthesis of pharmaceutical compoundsPrecursor for dyes manufacturingIntermediate for production of 4-nitrobenzoyl chloride
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
ApplicationSame Use
4-chlorobenzotrichloride
CAS5216-25-1
pharmaceutical intermediate
ReferenceSame Category
3-Chlorobenzyl chloride
CAS620-20-2
pharmaceutical intermediate
ReferenceSame Category
N-Cbz-(2R,3R)-3-amino-2-hydroxy-4-phenylbutyric acid
CAS62023-58-9
pharmaceutical intermediate
ReferenceSame Category
(2S,3S)-3-(Z-amino)-2-hydroxy-4-phenylbutyric acid
CAS62023-59-0
pharmaceutical intermediate
ReferenceSame Category
(2R,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid
CAS62023-61-4
pharmaceutical intermediate
Referencestereoisomer of
4-Nitrobenzoic Acid-d4
CAS171777-66-5
research compound
Safety Reference
Warning
H302Harmful if swallowed
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H320Causes eye irritation
H360May damage fertility or the unborn child
H371May cause damage to organs
Customs Tariff Classification
The international HS code for 4-NITROBENZOIC ACID (CAS 62-23-7) 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-nitrobenzoic acid
InChIKey
OTLNPYWUJOZPPA-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C(=O)O)[N+](=O)[O-]
Synonyms (23)
- 4NB
- 4-Nitrobenzoic Acid; Benzocaine EP Impurity E
- 4-Nitrobenzoic acid, United States Pharmacopeia (USP)
- 1-Carboxy-4-nitrobenzene
- 4-NITROBENZOIC ACID
- 4-Nitrobenzenecarboxylic acid
- 4-Nitrobenzoic acid, puriss.
- 4-Nitrodracylic acid
- AE-562/40227261
- Benzoic acid, 4-nitro-
- Benzoic acid, p-nitro-
- Kyselina p-nitrobenzoova
- Nitrodracylic acid
- p-Carboxynitrobenzene
- p-Nitrobenzenecarboxylic acid
- p-Nitrobenzoic acid
- p-Nitrodracylic acid
- para-nitrobenzoic acid
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