1257999-32-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257999-32-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,9,9 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1257999-32:
(9*1)+(8*2)+(7*5)+(6*7)+(5*9)+(4*9)+(3*9)+(2*3)+(1*2)=218
218 % 10 = 8
So 1257999-32-8 is a valid CAS Registry Number.