676139-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676139-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,1,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 676139-72:
(8*6)+(7*7)+(6*6)+(5*1)+(4*3)+(3*9)+(2*7)+(1*2)=193
193 % 10 = 3
So 676139-72-3 is a valid CAS Registry Number.