Vinylboronic aid pinacol ester Minimum Order Quantity : 50 Molecular Formula : C8H15BO2 CAS No : 265645992 Physical Form : Other, Transparent liquid or colorless to pale yellow liquid Purity : 98% Smell : Other, None to faint characteristic smell Structural Formula : B(O(CH3)2)2CH=CH2 Grade : Technical grade / Laboratory grade Shelf Life : 1 to 2 years under proper storage conditions Molecular Weight : 154.02 g/mol Density : 0.913 Gram per cubic centimeter(g/cm3) Ingredients : Vinylboronic acid pinacol ester Properties : Air and moisturesensitive requires inert atmosphere for handling EINECS No : Pending or unavailable Storage : Other, Store in a cool dry place in tightly sealed containers Usage : Used to synthesize biaryl compounds SuzukiMiyaura crosscoupling reactions and other chemical processes Solubility : Insoluble in water soluble in organics such as ethanol methanol Poisonous : NO Application : Other , Widely used in organic synthesis and as a key intermediate in pharmaceuticals and agrochemicals HS Code : 293190 Appearance : Colorless to pale yellow liquid Refractive Rate : 1.43 Taste : Odorless and tasteless, Other Shape : other, Liquid form

2-Bromobutyric Acid Ethyl Ester Molecular Formula : C6H11BrO2 CAS No : 533686 Physical Form : Liquid Purity : 98% Smell : Other, Pungent and unpleasant Structural Formula : BrCHCHCOOCHCH Grade : Industrial/Pharmaceutical Shelf Life : 12 months under recommended storage conditions Molecular Weight : 195.06 g/mol Density : 1.42 Gram per cubic centimeter(g/cm3) Ingredients : 2Bromobutyric acid ethyl ester in pure or mixed form Properties : Highly reactive alkyl bromide with ester functional group EINECS No : 2085699 Storage : Other, Store in a cool dry wellventilated area away from sources of ignition and direct sunlight Usage : Primarily for research industrial chemical production and pharmaceutical development Solubility : Insoluble in water; soluble in organic solvents such as ethanol and ether Poisonous : YES Application : Other , Used as an intermediate in organic synthesis and pharmaceutical manufacturing HS Code : 291590 Appearance : Colorless to pale yellow liquid Refractive Rate : 1.4551.457 Taste : Other, Not defined Melting Point : Not available (liquid at room temperature) Shape : other, Not applicable (liquid)

2-Bromoisobutyric Acid isopropyl Ester Molecular Formula : C7H11BrO2 CAS No : 5744905 Physical Form : Liquid Purity : 98% Smell : Other, Slightly pungent Grade : Industrial Grade Shelf Life : 2 years if properly stored Molecular Weight : 207.07 g/mol Density : 1.37 Gram per cubic centimeter(g/cm3) Ingredients : 2Bromoisobutyric Acid Isopropyl Ester Properties : 2Bromoisobutyric Acid Isopropyl Ester is a reactive compound with controlled polymerization potential and intermediate applications EINECS No : 2272431 Storage : Store in a cool dry and wellventilated area away from direct sunlight and strong oxidizing agents, Other Usage : Primarily used in the synthesis of macrocyclic compounds and controlled polymerization processes Solubility : Slightly soluble in water soluble in organic solvents Poisonous : YES Application : Other , Used as an intermediate in organic synthesis polymer chemistry and pharmaceutical production HS Code : 291590 Appearance : Colorless to light yellow liquid Refractive Rate : 1.451

Pyridine-3-boronic acid > 97% Minimum Order Quantity : 50 Molecular Formula : C 5 H 6 BNO 2 CAS No : 1692257 Physical Form : Liquid