628298-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 628298-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,8,2,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 628298-83:
(8*6)+(7*2)+(6*8)+(5*2)+(4*9)+(3*8)+(2*8)+(1*3)=199
199 % 10 = 9
So 628298-83-9 is a valid CAS Registry Number.