122903-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122903-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,9,0 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 122903-42:
(8*1)+(7*2)+(6*2)+(5*9)+(4*0)+(3*3)+(2*4)+(1*2)=98
98 % 10 = 8
So 122903-42-8 is a valid CAS Registry Number.