82302-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82302-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,3,0 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82302-55:
(7*8)+(6*2)+(5*3)+(4*0)+(3*2)+(2*5)+(1*5)=104
104 % 10 = 4
So 82302-55-4 is a valid CAS Registry Number.