28755-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28755-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,5 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28755-83:
(7*2)+(6*8)+(5*7)+(4*5)+(3*5)+(2*8)+(1*3)=151
151 % 10 = 1
So 28755-83-1 is a valid CAS Registry Number.