107-93-7

Name:
Crotonic acid
Cas No.:
107-93-7 
Formula:
C4H6O2  
Synonyms:

trans-Crotonic acid;Crotonic acid;(E)-2-Butenoic acid; trans-2-Butenoic acid; (E)-Crotonic acid; Crotonic Acid; trans-3-Methylacrylic acid;trans-2-Butenoic acid; 

107-91-5

Name:
2-cyanoacetamide
Cas No.:
107-91-5 
Formula:
C3H4N2O  
Synonyms:

Cyanoiminoacetic acid; 107-91-5; Malonamide nitrile;2-cyanoacetamide; 2-cyano-; Cyanacetamide; Acetamide;CYANOACETAMIDE; Malonamonitrile; Nitrilomalonamide;