The Oxybutynin chloride, with the CAS registry number 1508-65-2, has the IUPAC name of 4-(diethylamino)but-2-ynyl 2-cyclohexyl-2-hydroxy-2-phenylacetate hydrochloride. Being a kind of white to off-white solid, its product categories are including Antibiotics; All Inhibitors; Inhibitors; Intermediates & Fine Chemicals; Pharmaceuticals. Besides, it is usually applied as the antispasmodic drugs for urinary urgency, frequent urination, urinary incontinence, nocturia and enuresis, etc. 

The physical properties of this chemical are as follows: (1)ACD/LogP: 5.19; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.6; (4)ACD/LogD (pH 7.4): 4.29; (5)ACD/BCF (pH 5.5): 13.48; (6)ACD/BCF (pH 7.4): 656.3; (7)ACD/KOC (pH 5.5): 41.33; (8)ACD/KOC (pH 7.4): 2012.24; (9)#H bond acceptors: 4; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 10; (12)Polar Surface Area: 38.77; (13)Flash Point: 252.8 °C; (14)Enthalpy of Vaporization: 80.22 kJ/mol; (15)Boiling Point: 494.4 °C at 760 mmHg; (16)Vapour Pressure: 1.37E-10 mmHg at 25°C; (17)Exact Mass: 393.207072; (18)MonoIsotopic Mass: 393.207072; (19)Topological Polar Surface Area: 49.8; (20)Heavy Atom Count: 27; (21)Complexity: 490.

When you are dealing with this chemical, you should be very cautious. For being a kind of harmful chemical, it may cause damage to health and it is harmful if swallowed. Therefore, you should wear suitable protective clothing.

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: CCN(CC)CC#CCOC(=O)C(C1CCCCC1)(C2=CC=CC=C2)O.Cl
(2)InChI: InChI=1S/C22H31NO3.ClH/c1-3-23(4-2)17-11-12-18-26-21(24)22(25,19-13-7-5-8-14-19)20-15-9-6-10-16-20;/h5,7-8,13-14,20,25H,3-4,6,9-10,15-18H2,1-2H3;1H
(3)InChIKey: SWIJYDAEGSIQPZ-UHFFFAOYSA-N 

Below are the toxicity information of this chemical: