The Boc-Cys-OH is an organic compound with the formula C₈H₁₅NO₄S. The IUPAC name of this chemical is (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoic acid. With the CAS registry number 20887-95-0, it is also named as L-Cysteine, N-((1,1-dimethylethoxy)carbonyl)-. The product's categories are Pharmaceutical Intermediates; Amino Acids; Boc-Amino acid series. Besides, it is a light yellow liquid, which should be stored at temperature of -20 °C.

Physical properties about Boc-Cys-OH are: (1)ACD/LogP: 2.02; (2)ACD/LogD (pH 5.5): -0.48; (3)ACD/LogD (pH 7.4): -1.65; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 5; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 6; (11)Polar Surface Area: 81.14 Å²; (12)Index of Refraction: 1.503; (13)Molar Refractivity: 53.86 cm³; (14)Molar Volume: 181.9 cm³; (15)Polarizability: 21.35×10^-24cm³; (16)Surface Tension: 44.2 dyne/cm; (17)Density: 1.215 g/cm³; (18)Flash Point: 172.3 °C; (19)Enthalpy of Vaporization: 66.69 kJ/mol; (20)Boiling Point: 361.4 °C at 760 mmHg; (21)Vapour Pressure: 3.34E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OC(C)(C)C)N[C@H](C(=O)O)CS
(2)InChI: InChI=1/C8H15NO4S/c1-8(2,3)13-7(12)9-5(4-14)6(10)11/h5,14H,4H2,1-3H3,(H,9,12)(H,10,11)/t5-/m0/s1
(3)InChIKey: ATVFTGTXIUDKIZ-YFKPBYRVBZ
(4)Std. InChI: InChI=1S/C8H15NO4S/c1-8(2,3)13-7(12)9-5(4-14)6(10)11/h5,14H,4H2,1-3H3,(H,9,12)(H,10,11)/t5-/m0/s1
(5)Std. InChIKey: ATVFTGTXIUDKIZ-YFKPBYRVSA-N