172918-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172918-36-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,1 and 8 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 172918-36:
(8*1)+(7*7)+(6*2)+(5*9)+(4*1)+(3*8)+(2*3)+(1*6)=154
154 % 10 = 4
So 172918-36-4 is a valid CAS Registry Number.