279688-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 279688-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,9,6,8 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 279688-22:
(8*2)+(7*7)+(6*9)+(5*6)+(4*8)+(3*8)+(2*2)+(1*2)=211
211 % 10 = 1
So 279688-22-1 is a valid CAS Registry Number.