132157-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132157-70-1 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, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 132157-70:
(8*1)+(7*3)+(6*2)+(5*1)+(4*5)+(3*7)+(2*7)+(1*0)=101
101 % 10 = 1
So 132157-70-1 is a valid CAS Registry Number.