226903-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226903-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,0 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 226903-40:
(8*2)+(7*2)+(6*6)+(5*9)+(4*0)+(3*3)+(2*4)+(1*0)=128
128 % 10 = 8
So 226903-40-8 is a valid CAS Registry Number.