1258440-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258440-71-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,4,4 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1258440-71:
(9*1)+(8*2)+(7*5)+(6*8)+(5*4)+(4*4)+(3*0)+(2*7)+(1*1)=159
159 % 10 = 9
So 1258440-71-9 is a valid CAS Registry Number.