696619-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 696619-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,1 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 696619-67:
(8*6)+(7*9)+(6*6)+(5*6)+(4*1)+(3*9)+(2*6)+(1*7)=227
227 % 10 = 7
So 696619-67-7 is a valid CAS Registry Number.