157231-32-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157231-32-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,2,3 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 157231-32:
(8*1)+(7*5)+(6*7)+(5*2)+(4*3)+(3*1)+(2*3)+(1*2)=118
118 % 10 = 8
So 157231-32-8 is a valid CAS Registry Number.