696647-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 696647-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,4 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 696647-73:
(8*6)+(7*9)+(6*6)+(5*6)+(4*4)+(3*7)+(2*7)+(1*3)=231
231 % 10 = 1
So 696647-73-1 is a valid CAS Registry Number.