1240306-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240306-28-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,3,0 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1240306-28:
(9*1)+(8*2)+(7*4)+(6*0)+(5*3)+(4*0)+(3*6)+(2*2)+(1*8)=98
98 % 10 = 8
So 1240306-28-8 is a valid CAS Registry Number.