677023-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677023-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,0,2 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 677023-32:
(8*6)+(7*7)+(6*7)+(5*0)+(4*2)+(3*3)+(2*3)+(1*2)=164
164 % 10 = 4
So 677023-32-4 is a valid CAS Registry Number.