226419-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226419-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,4,1 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 226419-26:
(8*2)+(7*2)+(6*6)+(5*4)+(4*1)+(3*9)+(2*2)+(1*6)=127
127 % 10 = 7
So 226419-26-7 is a valid CAS Registry Number.