This chemical is called N-Succinimidyl-S-acetylthioacetate, and its IUPAC name is (2,5-dioxopyrrolidin-1-yl) 2-acetylsulfanylacetate. With the CAS registry number of 76931-93-6, its product categories are MTS and Sulfhydryl Active Reagents; N-Substituted Maleimides, Succinimides & Phthalimides; N-Substituted Succinimides; MTS & Sulfhydryl Active Reagents. In additon, this chemical is powder. It should be stored at the temperature of -20°C.

Other characteristics of the N-Succinimidyl-S-acetylthioacetate can be summarised as followings: (1)ACD/LogP: -1.16; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.16; (4)ACD/LogD (pH 7.4): -1.16; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 5.59; (8)ACD/KOC (pH 7.4): 5.59; (9)#H bond acceptors: 6; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 106.05 Å²; (13)Index of Refraction: 1.561; (14)Molar Refractivity: 51.14 cm³; (15)Molar Volume: 157.7 cm³; (16)Polarizability: 20.27×10^-24cm³; (17)Surface Tension: 60.8 dyne/cm; (18)Density: 1.46 g/cm³; (19)Flash Point: 157.8 °C; (20)Enthalpy of Vaporization: 58.05 kJ/mol; (21)Boiling Point: 337.3 °C at 760 mmHg; (22)Vapour Pressure: 0.000106 mmHg at 25°C.

Uses of this chemical: The N-Succinimidyl-S-acetylthioacetate could react with glycyl->-glycyl->-glycine, and obtain the {2-[2-(2-acetylsulfanyl-acetylamino)-acetylamino]-acetylamino}-acetic acid. This reaction needs the reagent of aq. NaOH, and the solvent of tetrahydrofuran. The yield is 20 %. In addition, this reaction should be taken for 48 hours at ambient the temperatur.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C1N(OC(=O)CSC(=O)C)C(=O)CC1
2.InChI: InChI=1/C8H9NO5S/c1-5(10)15-4-8(13)14-9-6(11)2-3-7(9)12/h2-4H2,1H3
3.InChIKey: FLCQLSRLQIPNLM-UHFFFAOYAX