691382-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691382-64-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,3,8 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 691382-64:
(8*6)+(7*9)+(6*1)+(5*3)+(4*8)+(3*2)+(2*6)+(1*4)=186
186 % 10 = 6
So 691382-64-6 is a valid CAS Registry Number.