1291779-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1291779-66-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,1,7,7 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1291779-66:
(9*1)+(8*2)+(7*9)+(6*1)+(5*7)+(4*7)+(3*9)+(2*6)+(1*6)=202
202 % 10 = 2
So 1291779-66-2 is a valid CAS Registry Number.