72152-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72152-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72152-17:
(7*7)+(6*2)+(5*1)+(4*5)+(3*2)+(2*1)+(1*7)=101
101 % 10 = 1
So 72152-17-1 is a valid CAS Registry Number.