80503-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80503-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,0 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80503-44:
(7*8)+(6*0)+(5*5)+(4*0)+(3*3)+(2*4)+(1*4)=102
102 % 10 = 2
So 80503-44-2 is a valid CAS Registry Number.
InChI:InChI=1/C15H15NO4/c1-10-14(13(9-18)12(8-17)7-16-10)20-15(19)11-5-3-2-4-6-11/h2-7,17-18H,8-9H2,1H3