157372-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157372-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,7 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157372-81:
(8*1)+(7*5)+(6*7)+(5*3)+(4*7)+(3*2)+(2*8)+(1*1)=151
151 % 10 = 1
So 157372-81-1 is a valid CAS Registry Number.