27404-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27404-64-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,4,0 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 27404-64:
(7*2)+(6*7)+(5*4)+(4*0)+(3*4)+(2*6)+(1*4)=104
104 % 10 = 4
So 27404-64-4 is a valid CAS Registry Number.