6202-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6202-09-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,0 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6202-09:
(6*6)+(5*2)+(4*0)+(3*2)+(2*0)+(1*9)=61
61 % 10 = 1
So 6202-09-1 is a valid CAS Registry Number.