40349-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40349-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,4 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40349-99:
(7*4)+(6*0)+(5*3)+(4*4)+(3*9)+(2*9)+(1*9)=113
113 % 10 = 3
So 40349-99-3 is a valid CAS Registry Number.
InChI:InChI=1/C31H15NO3/c33-29-17-7-2-1-6-15(17)23-14-24-16-12-13-22-26(31(35)19-9-4-3-8-18(19)30(22)34)28(16)32-27(24)20-10-5-11-21(29)25(20)23/h1-14,32H