437609-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437609-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,6,0 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 437609-52:
(8*4)+(7*3)+(6*7)+(5*6)+(4*0)+(3*9)+(2*5)+(1*2)=164
164 % 10 = 4
So 437609-52-4 is a valid CAS Registry Number.