321696-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321696-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,6,9 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 321696-83:
(8*3)+(7*2)+(6*1)+(5*6)+(4*9)+(3*6)+(2*8)+(1*3)=147
147 % 10 = 7
So 321696-83-7 is a valid CAS Registry Number.