5637-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5637-84-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,3 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5637-84:
(6*5)+(5*6)+(4*3)+(3*7)+(2*8)+(1*4)=113
113 % 10 = 3
So 5637-84-3 is a valid CAS Registry Number.