4-Phenylbutyric Acid CAS 1821-12-1
4-Phenylbutyric acid (synonym: 4-Phenylbutanoic acid) is an important aromatic carboxylic acid and organic synthesis intermediate. Its CAS Registry Number is 1821-12-1, EINECS number is 217-341-8, molecular formula is C₁₀H₁₂O₂.