443993-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443993-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,9,9 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 443993-70:
(8*4)+(7*4)+(6*3)+(5*9)+(4*9)+(3*3)+(2*7)+(1*0)=182
182 % 10 = 2
So 443993-70-2 is a valid CAS Registry Number.