5337-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5337-56-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,3 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5337-56:
(6*5)+(5*3)+(4*3)+(3*7)+(2*5)+(1*6)=94
94 % 10 = 4
So 5337-56-4 is a valid CAS Registry Number.