5591-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5591-43-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,9 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5591-43:
(6*5)+(5*5)+(4*9)+(3*1)+(2*4)+(1*3)=105
105 % 10 = 5
So 5591-43-5 is a valid CAS Registry Number.
InChI:InChI=1/C22H25N3O3.C4H6O6/c1-26-20-5-3-2-4-19(20)25-10-8-24(9-11-25)7-6-16-14-23-18-13-22-21(12-17(16)18)27-15-28-22;5-1(3(7)8)2(6)4(9)10/h2-5,12-14,23H,6-11,15H2,1H3;1-2,5-6H,(H,7,8)(H,9,10)/t;1-,2-/m.1/s1