132157-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132157-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,5 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 132157-15:
(8*1)+(7*3)+(6*2)+(5*1)+(4*5)+(3*7)+(2*1)+(1*5)=94
94 % 10 = 4
So 132157-15-4 is a valid CAS Registry Number.