87920-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87920-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,2 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87920-43:
(7*8)+(6*7)+(5*9)+(4*2)+(3*0)+(2*4)+(1*3)=162
162 % 10 = 2
So 87920-43-2 is a valid CAS Registry Number.