7200-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7200-27-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,0 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7200-27:
(6*7)+(5*2)+(4*0)+(3*0)+(2*2)+(1*7)=63
63 % 10 = 3
So 7200-27-3 is a valid CAS Registry Number.