172672-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172672-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,7 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 172672-76:
(8*1)+(7*7)+(6*2)+(5*6)+(4*7)+(3*2)+(2*7)+(1*6)=153
153 % 10 = 3
So 172672-76-3 is a valid CAS Registry Number.