1009-00-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009-00-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,0 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1009-00:
(6*1)+(5*0)+(4*0)+(3*9)+(2*0)+(1*0)=33
33 % 10 = 3
So 1009-00-3 is a valid CAS Registry Number.