1257293-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257293-66-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,2,9 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1257293-66:
(9*1)+(8*2)+(7*5)+(6*7)+(5*2)+(4*9)+(3*3)+(2*6)+(1*6)=175
175 % 10 = 5
So 1257293-66-5 is a valid CAS Registry Number.