132640-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132640-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 132640-89:
(8*1)+(7*3)+(6*2)+(5*6)+(4*4)+(3*0)+(2*8)+(1*9)=112
112 % 10 = 2
So 132640-89-2 is a valid CAS Registry Number.
132640-89-2Relevant articles and documents
Synthesis of Cyanocinnamic Esters by the Knoevenagel Reaction
Cativiela, Carlos,Diaz-de-Villegas, Maria D.,Galvez, Jose A.
, p. 3145 - 3152 (2007/10/02)
A convenient synthesis of cyanocinnamic esters in E-isomer exclusively by the Knoevenagel reaction is described.