263842-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263842-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,8,4 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 263842-66:
(8*2)+(7*6)+(6*3)+(5*8)+(4*4)+(3*2)+(2*6)+(1*6)=156
156 % 10 = 6
So 263842-66-6 is a valid CAS Registry Number.