263383-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263383-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,3,8 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 263383-22:
(8*2)+(7*6)+(6*3)+(5*3)+(4*8)+(3*3)+(2*2)+(1*2)=138
138 % 10 = 8
So 263383-22-8 is a valid CAS Registry Number.