1240490-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240490-88-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,4,9 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1240490-88:
(9*1)+(8*2)+(7*4)+(6*0)+(5*4)+(4*9)+(3*0)+(2*8)+(1*8)=133
133 % 10 = 3
So 1240490-88-3 is a valid CAS Registry Number.