1257411-46-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257411-46-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,4,1 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1257411-46:
(9*1)+(8*2)+(7*5)+(6*7)+(5*4)+(4*1)+(3*1)+(2*4)+(1*6)=143
143 % 10 = 3
So 1257411-46-3 is a valid CAS Registry Number.