Appearance: colorless liquid Boiling point: 210 °C (lit.) Relative density (water = 1): 1.568 g/mL at 25 °C (lit.) Assay: ≥98% Uses: used as intermediates in pharmaceutical chemistry and organic synthesis, often reacted with hydroxyl groups to generate corresponding sulfonate ester products.

Appearance: colorless liquid Boiling point: 108°C (lit.) Relative density (water = 1): 1.434g/mLat 25°C (lit.) Solubility: insoluble in water. Assay: ≥97% Uses: pharmaceutical intermediates; Used as a 5'-hydroxyl protective group of nucleosides; peptide synthesis protection reagent.

Uses: It is the starting substance for the synthesis of 1-aminocyclobutanecarboxylic acid. The solvent of water-based ink is generally deionized water as the main solvent, and then an appropriate amount of organic solvent (cyclobutanone) is added.; Initiating substance for the synthesis of 1-aminocyclobutanecarboxylic acid.

Appearance: colorless to light yellow liquid Melting point: 194-195 °c Boiling point: 111 °C Relative density (water = 1): 0.877g/mLat 25°C Assay: ≥98% Uses: pharmaceutical intermediates, mainly used in the production of synthetic cephalosporin antibiotics

Uses: 1. Diisopropyl lithium amide is widely used in metallized alkaline reagents, and also used in non-nucleophilic strong base reagents with large steric hindrance 2. The very famous large barrier base is used to form carbonegative ions. Lithium diisopropylamide is widely used in metallized alkaline reagents, and also used in non-nucleophilic strong base reagents with large steric hindrance

Appearance: slightly yellow to light gray crystalline powder, the solution is colorless to light yellow liquid Melting Point: 171-175 °C (lit.) Boiling point: 67°C Relative density (water = 1): 0.904g/mLat 25°C Solubility: reacts with water, soluble in aromatic hydrocarbons and ethers Assay: ≥98% Uses: Non-nucleophilic strong base

Appearance: white solid Melting point: 73 °c Boiling point: 55-56°C Relative density (water = 1): 0.860 g/mL at 25 °C (lit.) Assay: ≥98% Uses: for aldehyde alcohol condensation, is a commonly used organic base.

Appearance: colorless liquid Melting point: -78°c Boiling point: 125°C Relative density (water = 1): 0.765 Solubility: soluble in organic solvents, contact with air will be rapidly hydrolyzed to generate trimethicanol and hexamethyldisil ether Assay: ≥98% Uses: Amikacin pharmaceutical intermediate, hydroxyl and amino protective agent; Specialty organic synthesis.

Appearance: colorless or light yellow liquid Boiling point: 140-141 °C (lit.) Relative density (water = 1): 0.9355 g/cm3 Assay: ≥98% Uses: It is a useful synthetic intermediate. It is used in the synthesis of diketopiperazine as a potent and selective oxytocin antagonist. It can also be used in the preparation of dihydroquinazolimide with anti-inflammatory activity.

Appearance: colorless liquid. Boiling point: 116-118 °C Relative density (water = 1): 0.9355 g/cm3 Assay: ≥98% Uses: can be used as pharmaceutical and pesticide intermediates

Appearance: colorless liquid. Boiling point: 98-101 °C (lit.) Relative density (water = 1): 0.938 g/mL at 25 °C (lit.) Solubility: soluble in water Assay: ≥98% Uses: For the preparation of cyclic tetrapropyltetrahydronaphthone, it is necessary to undergo enantiomeric-selective palladium-catalyzed cycloaddition reaction. It is also a common reagent for the introduction of cyclopropyl in synthesis.

Photography Printing Product

Hastelloy C276 / UNS N10276 / ALLOY 276 / Hastelloy X

S31805/253Ma Stainless Steel Pipe