157126-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157126-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,2 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157126-99:
(8*1)+(7*5)+(6*7)+(5*1)+(4*2)+(3*6)+(2*9)+(1*9)=143
143 % 10 = 3
So 157126-99-3 is a valid CAS Registry Number.