2070-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2070-05-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,7 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2070-05:
(6*2)+(5*0)+(4*7)+(3*0)+(2*0)+(1*5)=45
45 % 10 = 5
So 2070-05-5 is a valid CAS Registry Number.