5337-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5337-85-9 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, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5337-85:
(6*5)+(5*3)+(4*3)+(3*7)+(2*8)+(1*5)=99
99 % 10 = 9
So 5337-85-9 is a valid CAS Registry Number.