The Isodesmosine, with the CAS registry number 991-01-5, is also known as Pyridinium,2-(4-amino-4-carboxybutyl)-1-(5-amino-5-carboxypentyl)-3,5-bis(3-amino-3-carboxypropyl)-. This chemical's molecular formula is C₂₄H₄₀N₅O₈ and molecular weight is 526.60. What's more, its systematic name is 6-[2-(4-amino-4-carboxybutyl)-3,5-bis(3-amino-3-carboxypropyl)pyridinium-1-yl]norleucine. It is a lysine derivative found in elastin, formed by condensation of four molecules of lysine into a pyridinium ring. It should be sealed and stored at the temperature of 2 - 8 °C.

Physical properties of Isodesmosine are: (1)ACD/LogP: -7.26; (2)# of Rule of 5 Violations: 3; (3)ACD/LogD (pH 5.5): -9.09; (4)ACD/LogD (pH 7.4): -8; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 13; (10)#H bond donors: 12; (11)#Freely Rotating Bonds: 23; (12)Polar Surface Area: 122.04 Å².

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C(N)CCCC[n+]1cc(cc(c1CCCC(C(=O)O)N)CCC(C(=O)O)N)CCC(C(=O)O)N
(2)Std. InChI: InChI=1S/C24H39N5O8/c25-16(21(30)31)4-1-2-11-29-13-14(7-9-18(27)23(34)35)12-15(8-10-19(28)24(36)37)20(29)6-3-5-17(26)22(32)33/h12-13,16-19H,1-11,25-28H2,(H3-,30,31,32,33,34,35,36,37)/p+1
(3)Std. InChIKey: RGXCTRIQQODGIZ-UHFFFAOYSA-O