916676-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916676-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,6,7 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 916676-21:
(8*9)+(7*1)+(6*6)+(5*6)+(4*7)+(3*6)+(2*2)+(1*1)=196
196 % 10 = 6
So 916676-21-6 is a valid CAS Registry Number.