2173-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2173-30-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,7 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2173-30:
(6*2)+(5*1)+(4*7)+(3*3)+(2*3)+(1*0)=60
60 % 10 = 0
So 2173-30-0 is a valid CAS Registry Number.