C7H7NO2
137.14 g/mol
Pharmaceutical IntermediateWarning
4-aminobenzoic acid
CAS150-13-0EC205-753-0
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
4-Aminobenzoic acid is a compound commonly used as a pharmaceutical intermediate and UV absorber. It is a key building block for the synthesis of anesthetics, folic acid, and dyes.
Pharmaceutical intermediate for the manufacture of local anesthetics and folic acidUV absorber in sunscreensIntermediate for azo dyes
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
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pharmaceutical intermediate
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pharmaceutical intermediate
Referencestereoisomer of
4-Aminobenzoic Acid-d4
CAS350820-01-8
research compound
Referencestereoisomer of
Sodium 4-aminobenzoate
CAS555-06-6
pharmaceutical intermediate
Referencestereoisomer of
Aminobenzoate potassium
CAS138-84-1
pharmaceutical raw material
Referencestereoisomer of
Magnesium 4-aminobenzoate
CAS14926-08-0
research compound
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-aminobenzoic acid (CAS 150-13-0) is 2922.49.
HS code (international, 6-digit)
2922.49
EU CN code (8-digit)
2922 49 85
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-aminobenzoic acid
InChIKey
ALYNCZNDIQEVRV-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C(=O)O)N
Synonyms (91)
- ABEE
- PAB
- PABA
- 4-Aminobenzoic acid, European Pharmacopoeia (EP)
- Aminobenzoic acid (USP)
- Aminobenzoic acid, United States Pharmacopeia (USP)
- Benzylpenicillin (procaine) monohydrate Impurity A [EP Impurity]
- Oxybuprocaine Hydrochloride EP Impurity A; Benzocaine EP Impurity G; Tetracaine Hydrochloride EP Impurity A
- Tetracaine EP Impurity A
- 1-Amino-4-carboxybenzene
- 4-Aminobenzoate, Potassium
- 4-Aminobenzoesaeure
- 4-Aminobenzoic acid CRS
- 4-Carboxyaniline
- 4-Carboxyphenylamine
- 4-aminobenzenecarboxylic acid
- 4-aminobenzoic acid
- 4-aminobezoic acid
- 4-ammoniobenzoate
- 4-azaniumylbenzoate
- AMINOBENZOIC ACID [MART.]
- AMINOBENZOIC ACID, PARA
- Acido p-aminobenzoico
- Acidum paraminobenzoicum
- Actipol
- Amben
- Aminobenzoate
- Aminobenzoate, Potassium
- Aminobenzoic acid
- Aniline-4-carboxylic acid
- Anti-chromotrichia factor
- Anticanitic vitamin
- Anticantic vitamin
- Bacterial vitamin H1
- Benzoic acid, 4-amino-
- Benzoic acid, p-amino-
- Caswell No. 033B
- Chromotrichia factor
- H-(4)Abz-OH
- Hachemina
- Kyselina p-aminobenzoova
- P-AMINO-BENZOATE
- Pabacyd
- Pabafilm
- Pabagel
- Pabamine
- Pabanol
- Papacidum
- Paraminan
- Paraminol
- Paranate
- RVPaba Lipstick
- RVPaba lipstick (TN)
- Romavit
- Rvpaba
- Sunbrella
- Super Shade by Coppertone
- Thermal analysis purity set
- Trichochromogenic factor
- Trochromogenic factor
- Vitamin BX
- Vitamin H'
- Vitamin H1
- gamma-Aminobenzoate
- gamma-Aminobenzoic acid
- p-Aminobenzenecarboxylic acid
- p-Aminobenzoesaeure
- p-Carboxyaniline
- p-Carboxyphenylamine
- p-aminobenzoic acid
- p-aminobezoic acid
- para-Aminobenzoate, Magnesium
- para-aminobenzoic acid
- potassium-p-aminobenzoate
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