128218-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128218-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,1 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128218-58:
(8*1)+(7*2)+(6*8)+(5*2)+(4*1)+(3*8)+(2*5)+(1*8)=126
126 % 10 = 6
So 128218-58-6 is a valid CAS Registry Number.