124817-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124817-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,8,1 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 124817-74:
(8*1)+(7*2)+(6*4)+(5*8)+(4*1)+(3*7)+(2*7)+(1*4)=129
129 % 10 = 9
So 124817-74-9 is a valid CAS Registry Number.