1258274-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258274-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,2,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1258274-91:
(9*1)+(8*2)+(7*5)+(6*8)+(5*2)+(4*7)+(3*4)+(2*9)+(1*1)=177
177 % 10 = 7
So 1258274-91-7 is a valid CAS Registry Number.