The Butanenitrile,4-(methoxydimethylsilyl)-, with the CAS registry number of 143203-47-8, is also known as (3-Cyanopropyl)dimethylmethoxyilane. The molecular formula of this chemical is C₇H₁₅NOSi and its molecular weight is 157.29. What's more, its IUPAC name is 4-[Methoxy(dimethyl)silyl]butanenitrile. In addition, it must be tightly closed in a dry, cool place. Besides, you should ensure the work place is well-ventilated.

Physical properties about Butanenitrile,4-(methoxydimethylsilyl)- are: (1)ACD/LogP: 1.48; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.48; (4)ACD/LogD (pH 7.4): 1.48; (5)ACD/BCF (pH 5.5): 7.85; (6)ACD/BCF (pH 7.4): 7.85; (7)ACD/KOC (pH 5.5): 152.11; (8)ACD/KOC (pH 7.4): 152.11; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 33.02 Å²; (13)Index of Refraction: 1.413; (14)Molar Refractivity: 44.85 cm³; (15)Molar Volume: 179.5 cm³; (16)Polarizability: 17.78×10^-24 cm³; (17)Surface Tension: 24 dyne/cm; (18)Density: 0.875 g/cm³; (19)Flash Point: 67.9 °C; (20)Enthalpy of Vaporization: 42.48 kJ/mol; (21)Boiling Point: 188.6 °C at 760 mmHg; (22)Vapour Pressure: 0.594 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin. In addition, this chemical may cause inflammation to the skin or other mucous membranes. During using it, wear suitable protective gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: N#CCCC[Si](OC)(C)C
(2) InChI: InChI=1/C7H15NOSi/c1-9-10(2,3)7-5-4-6-8/h4-5,7H2,1-3H3
(3) InChIKey: XMFCIYUZZWZEHI-UHFFFAOYAJ