443956-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443956-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,9,5 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 443956-45:
(8*4)+(7*4)+(6*3)+(5*9)+(4*5)+(3*6)+(2*4)+(1*5)=174
174 % 10 = 4
So 443956-45-4 is a valid CAS Registry Number.