226381-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226381-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,3,8 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 226381-99:
(8*2)+(7*2)+(6*6)+(5*3)+(4*8)+(3*1)+(2*9)+(1*9)=143
143 % 10 = 3
So 226381-99-3 is a valid CAS Registry Number.