909900-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909900-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,9,0 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 909900-44:
(8*9)+(7*0)+(6*9)+(5*9)+(4*0)+(3*0)+(2*4)+(1*4)=183
183 % 10 = 3
So 909900-44-3 is a valid CAS Registry Number.