(3S,4R)-3-[(1R)-1-Hydroxyethyl]-4-[(1R)-1-methyl-3

(2S)-2-(2-Oxopyrrolidin-1-yl)butanoic acid Molecular Weight : 171.19 g/mol Molecular Formula : C8H13NO3 Storage : Other, Store in a cool dry place; keep container tightly closed Application : Other , Pharmaceutical intermediates chemical research Melting Point : 180183 C Ingredients : Single chemical entity Usage : Primarily used in the synthesis of pharmaceutical compounds Solubility : Soluble in water ethanol Structural Formula : Refer to chemical literature (contains pyrrolidone ring and carboxylic acid group) Grade : Chemical/Pharmaceutical HS Code : 293399 Purity : 98% EINECS No : Not available Physical Form : Other, Crystalline or powder Shelf Life : 2 years under proper storage conditions CAS No : 162537113 Properties : Stable under normal conditions; may react with strong oxidizing agents Appearance : White to offwhite crystalline powder Shape : other, Irregular crystalline form or fine powder Poisonous : NO Smell : Other, Odorless Ph Level : Neutral (approximately 7) Refractive Rate : Not available

1,1,1-Trimethoxy-2-methylpropane Molecular Weight : 134.18 g/mol Molecular Formula : C6H14O3 Storage : Other, Store in a cool dry and wellventilated area away from sources of heat and ignition Application : Used as a solvent and in chemical synthesis, Other Melting Point : 55C Ingredients : 111Trimethoxy2methylpropane Usage : Chemical intermediate in pharmaceuticals coatings and resins Solubility : Miscible with common organic solvents limited solubility in water Structural Formula : CH3C(CH3)(OCH3)3 Grade : Industrial grade HS Code : 2911.00.00 Purity : 99% EINECS No : 2122227 Physical Form : Liquid Shelf Life : 2 years if stored under recommended conditions CAS No : 770694 Properties : Noncorrosive stable under normal conditions flammable Appearance : Clear colorless liquid Poisonous : NO Smell : Other, Mild alcohollike odor Ph Level : Neutral Density : 0.96 Gram per cubic centimeter(g/cm3) Refractive Rate : 1.386 at 20C

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one Molecular Weight : 249.31 g/mol Molecular Formula : C14H19NO3 Storage : Other, Store in a cool dry place; keep container tightly closed; avoid exposure to moisture Application : Other , Used as an intermediate in organic synthesis especially in the pharmaceutical and agrochemical industries Melting Point : 8085C Ingredients : Pure (R)3(3Methylbutanoyl)4benzyloxazolidin2one Usage : Chemical intermediate for producing enantiomerically pure compounds Solubility : Slightly soluble in water; soluble in organic solvents such as ethanol and acetone Structural Formula : Representation based on chemical structure of (R)3(3Methylbutanoyl)4benzyloxazolidin2one Grade : Pharmaceutical Grade HS Code : 29349990 Purity : 98% EINECS No : 0000000 Physical Form : Solid Shelf Life : 2 years under recommended storage conditions CAS No : 123456789 Properties : Chiral oxazolidinone derivative with high stereospecificity Appearance : White to offwhite crystalline powder Shape : other, Crystalline Poisonous : NO Smell : Other, Odorless Ph Level : Neutral Density : 1.13 Gram per cubic centimeter(g/cm3)

1-(4-Amino-3-Bromo-Phenyl)-Ethanone Molecular Weight : 214.06 g/mol Molecular Formula : C8H8BrNO Storage : Other, Store in a cool dry place away from direct sunlight Application : Other , Intermediate in organic synthesis and pharmaceutical development Melting Point : 8589C Ingredients : 4Amino3Bromoacetophenone Usage : Chemical intermediate for active pharmaceutical ingredients (APIs) Solubility : Slightly soluble in water soluble in organic solvents Structural Formula : BrC6H4COCH3NH2 Grade : Industrial/Pure HS Code : 291439 Purity : 98% EINECS No : Not available Physical Form : Solid Shelf Life : 2 years under recommended storage conditions CAS No : 214107658 Properties : Halogenated aromatic ketone with an amino group Appearance : Offwhite to pale yellow crystalline powder Shape : other, Crystalline Poisonous : YES