6218-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6218-59-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,1 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6218-59:
(6*6)+(5*2)+(4*1)+(3*8)+(2*5)+(1*9)=93
93 % 10 = 3
So 6218-59-3 is a valid CAS Registry Number.