279684-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 279684-66-1 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 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 279684-66:
(8*2)+(7*7)+(6*9)+(5*6)+(4*8)+(3*4)+(2*6)+(1*6)=211
211 % 10 = 1
So 279684-66-1 is a valid CAS Registry Number.