5277-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5277-39-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,7 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5277-39:
(6*5)+(5*2)+(4*7)+(3*7)+(2*3)+(1*9)=104
104 % 10 = 4
So 5277-39-4 is a valid CAS Registry Number.