Assay (%) (GC)	98% min
Other Impurity	1% max
B.P. (¡æ)	84-86¡æ/11 mm Hg
Appearance	Colorless or light yellow liquid
Coloration	30 APHA Max
Refractive(20¡æ)	1.420¡À0.002

Rebamipide Intermediate
111911-87-6

Butanoic acid, 2-ethyl-3-oxo-, ethyl ester
Acetoacetic acid, 2-ethyl-, ethyl ester
2-Ethyl-3-oxobutanoic acid ethyl ester
2-Ethylacetoacetic acid ethyl ester
Ethyl 2-acetylbutanoate
Ethyl 2-acetylbutyrate
Ethyl 2-ethyl-3-ketobutyrate
Ethyl 2-ethyl-3-oxobutanoate
Ethyl 2-ethyl-3-oxobutyrate
Ethyl 2-ethylacetoacetate
Ethyl 2-ethylacetylacetate
Ethyl .alpha.-acetylbutyrate
Ethyl .alpha.-ethylacetoacetate
NSC 53775