449764-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 449764-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,7,6 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 449764-44:
(8*4)+(7*4)+(6*9)+(5*7)+(4*6)+(3*4)+(2*4)+(1*4)=197
197 % 10 = 7
So 449764-44-7 is a valid CAS Registry Number.