1998215-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1998215-83-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,9,8,2,1 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1998215-83:
(9*1)+(8*9)+(7*9)+(6*8)+(5*2)+(4*1)+(3*5)+(2*8)+(1*3)=240
240 % 10 = 0
So 1998215-83-0 is a valid CAS Registry Number.