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p-aminobenzoic acid

1. an organic compound with the molecular formula: C₇H₇NO₂

2. a white crystalline substance composed of a benzene ring substituted with an amino group and a carboxylic acid

3. a factor in the vitamin B complex; part of folic acid molecule

Also known as 4-Aminobenzoic acid, paraaminobenzoic acid, Vitamin Bx, PABA (acronym)

It is used as a UV filter in sunscreen formulations, as a drug against fibrotic skin disorders, in treating irritable bowel syndrome, and in the production of esters and folic acid