196926-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196926-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,9,2 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 196926-61:
(8*1)+(7*9)+(6*6)+(5*9)+(4*2)+(3*6)+(2*6)+(1*1)=191
191 % 10 = 1
So 196926-61-1 is a valid CAS Registry Number.