696621-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 696621-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,2 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 696621-19:
(8*6)+(7*9)+(6*6)+(5*6)+(4*2)+(3*1)+(2*1)+(1*9)=199
199 % 10 = 9
So 696621-19-9 is a valid CAS Registry Number.