Reported in EPA TSCA Inventory.

The L-Ornithine, with the CAS registry number 70-26-8, is also known as (S)-2,5-Diaminopentanoic acid. It belongs to the product categories of Amino Acids; Nutritional Supplements. Its EINECS number is 200-731-7. This chemical's molecular formula is C₅H₁₂N₂O₂ and molecular weight is 132.16. What's more, its systematic name is L-L-Ornithine. Its classification code is Mutation data. L-Ornithine is an amino acid that plays a role in the urea cycle. It is abnormally accumulated in the body in L-Ornithine transcarbamylase deficiency.

Physical properties of L-Ornithine are: (1)ACD/LogP: -0.874; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -4.37; (4)ACD/LogD (pH 7.4): -4.28; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 4; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 89.34 Å²; (13)Index of Refraction: 1.508; (14)Molar Refractivity: 33.807 cm³; (15)Molar Volume: 113.426 cm³; (16)Polarizability: 13.402×10^-24cm³; (17)Surface Tension: 54.6 dyne/cm; (18)Density: 1.165 g/cm³; (19)Flash Point: 140.508 °C; (20)Enthalpy of Vaporization: 60.423 kJ/mol; (21)Boiling Point: 308.718 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Preparation of L-Ornithine: this chemical can be prepared by cyclo(-Orn(Boc)-L-Ala-) at the temperature of 110 °C. This reaction will need reagent 6M HCl with the reaction time of 24 hours. The yield is about 62%.

Uses of L-Ornithine: it can be used to produce N,N-bis(methoxycarbonyl)-L-L-Ornithine at the temperature of 20 °C. It will need reagent aq. NaHCO₃ and solvent tetrahydrofuran. The yield is about 86%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@@H](N)CCCN
(2)Std. InChI: InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1
(3)Std. InChIKey: AHLPHDHHMVZTML-BYPYZUCNSA-N