226881-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226881-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,8,8 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 226881-82:
(8*2)+(7*2)+(6*6)+(5*8)+(4*8)+(3*1)+(2*8)+(1*2)=159
159 % 10 = 9
So 226881-82-9 is a valid CAS Registry Number.