443640-02-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443640-02-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,6,4 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 443640-02:
(8*4)+(7*4)+(6*3)+(5*6)+(4*4)+(3*0)+(2*0)+(1*2)=126
126 % 10 = 6
So 443640-02-6 is a valid CAS Registry Number.