291754-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 291754-76-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,7,5 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 291754-76:
(8*2)+(7*9)+(6*1)+(5*7)+(4*5)+(3*4)+(2*7)+(1*6)=172
172 % 10 = 2
So 291754-76-2 is a valid CAS Registry Number.