The CAS register number of L-Arginine, L-tyrosyl- is 70904-56-2. It also can be called as Kiotorphin and the IUPAC name about this chemical is (2S)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid. The molecular formula about this chemical is C₁₅H₂₃N₅O₄ and the molecular weight is 337.37. It belongs to the following product category which includes Peptide.

Physical properties about L-Arginine, L-tyrosyl- are: (1)ACD/LogP: -0.71; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -4.2; (4)ACD/LogD (pH 7.4): -3.9; (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: 9; (10)#H bond donors: 9; (11)#Freely Rotating Bonds: 11; (12)Polar Surface Area: 77.92 Å²; (13)Index of Refraction: 1.639; (14)Molar Refractivity: 84.38 cm³; (15)Molar Volume: 234.4 cm³; (16)Polarizability: 33.45x10^-24cm³; (17)Surface Tension: 63.7 dyne/cm; (18)Density: 1.43 g/cm³.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@@H](NC(=O)[C@@H](N)Cc1ccc(O)cc1)CCC/N=C(\N)N
(2)InChI: InChI=1/C15H23N5O4/c16-11(8-9-3-5-10(21)6-4-9)13(22)20-12(14(23)24)2-1-7-19-15(17)18/h3-6,11-12,21H,1-2,7-8,16H2,(H,20,22)(H,23,24)(H4,17,18,19)/t11-,12-/m0/s1
(3)InChIKey: JXNRXNCCROJZFB-RYUDHWBXBC
(4)Std. InChI: InChI=1S/C15H23N5O4/c16-11(8-9-3-5-10(21)6-4-9)13(22)20-12(14(23)24)2-1-7-19-15(17)18/h3-6,11-12,21H,1-2,7-8,16H2,(H,20,22)(H,23,24)(H4,17,18,19)/t11-,12-/m0/s1
(5)Std. InChIKey: JXNRXNCCROJZFB-RYUDHWBXSA-N