82030-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82030-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,3 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82030-81:
(7*8)+(6*2)+(5*0)+(4*3)+(3*0)+(2*8)+(1*1)=97
97 % 10 = 7
So 82030-81-7 is a valid CAS Registry Number.