35509-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 35509-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,5,0 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 35509-43:
(7*3)+(6*5)+(5*5)+(4*0)+(3*9)+(2*4)+(1*3)=114
114 % 10 = 4
So 35509-43-4 is a valid CAS Registry Number.