444907-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444907-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,9,0 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 444907-99:
(8*4)+(7*4)+(6*4)+(5*9)+(4*0)+(3*7)+(2*9)+(1*9)=177
177 % 10 = 7
So 444907-99-7 is a valid CAS Registry Number.