The (L)-Ephedrine, with the CAS registry number 6912-63-6, is also known as 1-Phenyl-1-hydroxy-2-methylaminopropane. It belongs to the product categories of Miscellaneous Natural Products; Chiral. Its EINECS number is 206-080-5. This chemical's molecular formula is C₁₀H₁₅NO and molecular weight is 165.23. What's more, its systematic name is (1R,2S)-2-(methylamino)-1-phenylpropan-1-ol. Its classification codes are: (1)Adrenergic agents; (2)Autonomic Agents; (3)Bronchodilator; (4)Cardiovascular Agents; (5)Central Nervous System Agents; (6)Central nervous system stimulants; (7)Drug / Therapeutic Agent; (8)Human Data; (9)Natural Product; (10)Neurotransmitter Agents; (11)Peripheral Nervous System Agents; (12)Reproductive Effect; (13)Sympathomimetics; (14)Vasoconstrictor agents. It should be sealed and stored in a brown glass container placed in a dry place with a low temperature. What's more, it should be protected from oxidants, water and light. It is a sympathomimetic amine commonly used as a stimulant, appetite suppressant, concentration aid, decongestant, and to treat hypotension associated with anaesthesia.

Physical properties of (L)-Ephedrine are: (1)ACD/LogP: 1.05; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.99; (4)ACD/LogD (pH 7.4): -0.96; (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: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 12.47 Å²; (13)Index of Refraction: 1.528; (14)Molar Refractivity: 50.15 cm³; (15)Molar Volume: 162.7 cm³; (16)Polarizability: 19.88×10^-24cm³; (17)Surface Tension: 38 dyne/cm; (18)Density: 1.015 g/cm³; (19)Flash Point: 85.6 °C; (20)Enthalpy of Vaporization: 52.03 kJ/mol; (21)Boiling Point: 255 °C at 760 mmHg; (22)Vapour Pressure: 0.00865 mmHg at 25°C.

Preparation of (L)-Ephedrine: this chemical can be prepared by (1R,2S)-2-[(ethoxycarbonyl)amino]-1-phenyl-1-propanol at the temperature of 60 °C. This reaction will need reagent LiAlH₄ and solvent tetrahydrofuran with the reaction time of 1.5 hours. The yield is about 80%.

Uses of (L)-Ephedrine: it can be used to produce (1R,2S)-N-benzyl-(-)-ephedrine at the ambient temperature. It will need reagent pyridine with the reaction time of 72 hours. The yield is about 60%.

When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed. You should not breathe dust. When using it, you must avoid contacting with eyes.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC(C(C1=CC=CC=C1)O)NC
(2)Isomeric SMILES: C[C@@H]([C@@H](C1=CC=CC=C1)O)NC
(3)InChI: InChI=1S/C10H15NO/c1-8(11-2)10(12)9-6-4-3-5-7-9/h3-8,10-12H,1-2H3/t8-,10-/m0/s1
(4)InChIKey: KWGRBVOPPLSCSI-WPRPVWTQSA-N

The toxicity data is as follows: