1281247-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1281247-71-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,1,2,4 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1281247-71:
(9*1)+(8*2)+(7*8)+(6*1)+(5*2)+(4*4)+(3*7)+(2*7)+(1*1)=149
149 % 10 = 9
So 1281247-71-9 is a valid CAS Registry Number.