C9H9NO3
179.17 g/mol
APIWarning
4-Acetamidobenzoic acid
CAS556-08-1EC209-114-7
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
4-Acetamidobenzoic acid, also known as acedoben or N-acetyl-PABA, is a chemical compound that is the acetyl derivative of para-aminobenzoic acid (PABA). It is primarily used as a pharmaceutical intermediate or active pharmaceutical ingredient.
pharmaceutical intermediateactive pharmaceutical ingredient
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
Dimepranol acedoben
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ReferenceSame Category
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Alprostadil alfadex
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ReferenceSame Category
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Acetamidobenzoic acid (CAS 556-08-1) is 2924.29.
HS code (international, 6-digit)
2924.29
EU CN code (8-digit)
2924 29 70
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-acetamidobenzoic acid
InChIKey
QCXJEYYXVJIFCE-UHFFFAOYSA-N
SMILES
CC(=O)NC1=CC=C(C=C1)C(=O)O
Synonyms (31)
- PAAB
- Acedoben [INN-Spanish]
- Acedobene [INN-French]
- Acedobenum [INN-Latin]
- 4-(Acetylamino)benzoic acid
- 4-Acetamidobenzoic acid
- 4-Acetamidobenzoic acid (4)
- 4-Carboxyacetanilide
- ACEDOBEN [MART.]
- Acedoben
- Acedobene
- Acedobenum
- Benzoic acid, 4-acetamido-
- Benzoic acid, p-acetamido-
- N-Acetyl-PABA
- N-Acetyl-p-aminobenzoic acid
- Para Acetamido Benzoic Acid
- acetyl-p-aminobenzoic acid
- p-AcetaMinobenzoic A
- p-Acetamidobenzoic acid
- p-Acetaminobenzoic acid
- p-Acetoaminobenzoic acid
- p-Acetylaminobenzoic acid
- p-Carboxyacetanilide
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