1321979-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1321979-11-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,9,7 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1321979-11:
(9*1)+(8*3)+(7*2)+(6*1)+(5*9)+(4*7)+(3*9)+(2*1)+(1*1)=156
156 % 10 = 6
So 1321979-11-6 is a valid CAS Registry Number.