| Title:  Isobutyl p-Aminobenzoate CAS Registry Number:  94-14-4 CAS Name:  4-Aminobenzoic acid 2-methylpropyl ester Trademarks:  Cycloform;  Isobutyl Kelo-form;  Isocaine (Columbus) Molecular Formula:  C11H15NO2 Molecular Weight:  193.24 Percent Composition:  C 68.37%, H 7.82%, N 7.25%, O 16.56% Literature References:  Prepn:  Adams et al., J. Am. Chem. Soc. 48, 1758 (1926). Properties:  Crystals from benzene, mp 65°.  Slightly sol in water; sol in alcohol, benzene, ether, acetone, olive oil. Melting point:  mp 65° Use:  Sunscreen. Therap-Cat:  Anesthetic (topical). Keywords:  Anesthetic (Local).  |