643002-76-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 643002-76-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,0 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 643002-76:
(8*6)+(7*4)+(6*3)+(5*0)+(4*0)+(3*2)+(2*7)+(1*6)=120
120 % 10 = 0
So 643002-76-0 is a valid CAS Registry Number.