74449-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74449-27-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,4 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74449-27:
(7*7)+(6*4)+(5*4)+(4*4)+(3*9)+(2*2)+(1*7)=147
147 % 10 = 7
So 74449-27-7 is a valid CAS Registry Number.