82511-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82511-83-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,1 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82511-83:
(7*8)+(6*2)+(5*5)+(4*1)+(3*1)+(2*8)+(1*3)=119
119 % 10 = 9
So 82511-83-9 is a valid CAS Registry Number.