676541-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676541-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,5,4 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 676541-44:
(8*6)+(7*7)+(6*6)+(5*5)+(4*4)+(3*1)+(2*4)+(1*4)=189
189 % 10 = 9
So 676541-44-9 is a valid CAS Registry Number.