443923-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443923-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,9,2 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 443923-07:
(8*4)+(7*4)+(6*3)+(5*9)+(4*2)+(3*3)+(2*0)+(1*7)=147
147 % 10 = 7
So 443923-07-7 is a valid CAS Registry Number.