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2 Ethoxy 3 4 Dihydro 2H Pyran 103 75 3 Structure

2-Ethoxy-3,4-dihydro-2H-pyran

2-Ethoxy-3,4-dihydro-2H-pyran (CAS: 103-75-3) is a cyclic enol ether serving as a protected form of 3-hydroxypropanal, releasing this reactive aldehyde under aqueous acidic conditions. This clear liquid functions as a versatile three-carbon building block in pharmaceutical and heterocyclic synthesis, participating in cyclocondensations to construct pyridines, pyrazoles, and other nitrogen heterocycles. It is employed as an acylating

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Tetramethylammonium Hydrogen Sulfate Monohydrate 103812 00 6 Structure

Tetramethylammonium Hydrogen Sulfate Monohydrate

Tetramethylammonium Hydrogen Sulfate Monohydrate (CAS: 103812-00-6) is a quaternary ammonium salt combining the tetramethylammonium cation with the acidic hydrogen sulfate anion. This crystalline compound serves as a phase transfer catalyst in biphasic organic reactions, shuttling reactants between aqueous and organic phases to accelerate nucleophilic substitutions, alkylations, and oxidations. The weakly acidic hydrogen sulfate anion provides

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Methyl 2 Bromo 3 4 2 5 Ethylpyridin 2 Yl Ethoxy Phenyl Propanoate 105355 25 7 Structure

Methyl 2-Bromo-3-[4-[2-(5-Ethylpyridin-2-yl)ethoxy]phenyl]propanoate

Methyl 2-Bromo-3-[4-[2-(5-Ethylpyridin-2-yl)ethoxy]phenyl]propanoate (CAS: 105355-25-7) is a brominated ester intermediate featuring an activated alpha-bromo ester functionality on a complex biaryl ether framework. This compound serves as a strategic building block in the synthesis of thiazolidinedione antidiabetic agents, where the bromine undergoes nucleophilic displacement to construct the thiazolidine-2,4-dione ring characteristic of glitazone drugs. The ethylpyridyl ethoxy phenyl

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5 4 2 5 Ethylpyridin 2 Yl Ethoxy Benzyl 2 Iminothiazolidin 4 One 105355 26 8 Structure

5-[4-[2-(5-Ethylpyridin-2-yl)ethoxy]benzyl]-2-iminothiazolidin-4-one

5-[4-[2-(5-Ethylpyridin-2-yl)ethoxy]benzyl]-2-iminothiazolidin-4-one (CAS: 105355-26-8) is a thiazolidine-2,4-dione derivative representing an advanced intermediate in glitazone antidiabetic drug synthesis. The compound features the complete pharmacophoric framework of thiazolidinedione drugs, with the 2-imino functionality serving as a handle for conversion to the active 2,4-dione form through hydrolysis or oxidation. Its ethylpyridyl ethoxy benzyl substituent provides the lipophilic character required

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Cobaltous Sulfate Heptahydrate 10026 24 1 Structure

Cobaltous sulfate heptahydrate

Cobaltous sulfate heptahydrate (CAS: 10026-24-1) is a red crystalline salt providing a water-soluble source of cobalt(II) ions for electroplating, catalyst preparation, and animal nutrition. In electroplating, it serves as the electrolyte for decorative and functional cobalt coatings offering hardness, wear resistance, and bright metallic finishes on metal substrates. The ceramics and pigment industries employ it

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Hydroxylamine Sulfate 10039 54 0 Structure

Hydroxylamine sulfate

Hydroxylamine sulfate (CAS: 10039-54-0) is a crystalline salt of hydroxylamine serving as a versatile reducing agent and nitrogen-source reagent across chemical manufacturing. It efficiently reduces carbonyl compounds to oximes for purification, characterization, and as intermediates in the synthesis of caprolactam, the monomer for nylon-6 production. The pharmaceutical industry employs it in synthesizing antibiotics, antineoplastic agents,

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Calcium Sulfate Dihydrate 10101 41 4 Structure

Calcium Sulfate Dihydrate

Calcium Sulfate Dihydrate (CAS: 10101-41-4), commonly gypsum, is a naturally abundant mineral providing a source of calcium and sulfate with diverse construction, medical, and industrial applications. In construction, it serves as the primary component of plaster, drywall, and cement formulations where controlled setting and fire resistance are valued. The medical and dental fields employ high-purity

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Sodium Thiosulfate Pentahydrate 10102 17 7 Structure

Sodium Thiosulfate Pentahydrate

Sodium Thiosulfate Pentahydrate (CAS: 10102-17-7), historically called hypo, is a colorless crystalline salt with remarkable versatility as a reducing agent, complexant, and dechlorinating agent. Its most recognized application is photographic processing, where it dissolves unexposed silver halide from film and paper emulsions during fixing. Water treatment facilities employ it to neutralize residual chlorine and chloramine

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Cadmium Sulfate 10124 36 4 Structure

Cadmium Sulfate

Cadmium Sulfate (CAS: 10124-36-4) is an inorganic salt providing a water-soluble source of cadmium(II) ions for electroplating, pigment production, and specialized industrial applications. In electroplating, cadmium sulfate baths deposit bright, corrosion-resistant cadmium coatings on steel and iron components, offering exceptional sacrificial protection against saltwater corrosion for marine hardware, fasteners, and aerospace parts. The compound serves

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2 4 Imidazolidinedione 5 Ethoxy 1 65855 02 9 Structure

2,4-Imidazolidinedione, 5-ethoxy-1–

2,4-Imidazolidinedione, 5-ethoxy-1– (CAS: 65855-02-9), 1-benzyl-5-ethoxyimidazolidine-2,4-dione, is a substituted hydantoin featuring a benzyl group and an activated ethoxy substituent on the heterocyclic ring. The ethoxy group at the 5-position serves as a leaving group, enabling nucleophilic substitution with amines, alkoxides, and thiolates to introduce diverse functionality at this position. This reactivity makes the compound a versatile

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Chlorocyclopentane 930 28 9 Structure

Chlorocyclopentane

Chlorocyclopentane (CAS: 930-28-9) is a cyclic alkyl chloride featuring a five-membered ring with a reactive secondary chloride substituent. This colorless to pale liquid serves as a building block in pharmaceutical, agrochemical, and specialty chemical synthesis, where the chloride undergoes nucleophilic substitution with amines, alkoxides, and carbanions to introduce the cyclopentyl group into target molecules. The

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Potassium Laureth Phosphate 68954 87 0 Structure 1024x768

Potassium Laureth Phosphate

Potassium Laureth Phosphate (CAS: 68954-87-0) is an anionic surfactant combining a C12 fatty chain ethoxylated with phosphate ester functionality neutralized with potassium. This mild, high-foaming surfactant produces creamy, dense lather while maintaining skin compatibility, making it ideal for premium facial cleansers, baby shampoos, and sensitive-skin body washes. The phosphate group provides excellent emulsification properties and

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peg 40 hydrogenated castor oil 61788 85 0 structure

PEG-40 Hydrogenated Castor Oil

PEG-40 Hydrogenated Castor Oil (CAS: 61788-85-0) is a non-ionic solubilizer and emulsifier produced by ethoxylating hydrogenated castor oil with forty ethylene oxide units. This pale paste or liquid excels at solubilizing hydrophobic actives, essential oils, and fragrances into clear aqueous systems, making it indispensable in transparent personal care products. It forms stable oil-in-water emulsions in

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Sodium Dodecylbenzenesulfonate 25155 30 0 Structure

Sodium Dodecylbenzenesulfonate

Sodium Dodecylbenzenesulfonate (CAS: 25155-30-0) is a classic anionic surfactant featuring a C12 alkyl chain attached to a benzenesulfonate head group, combining strong detergency with excellent water solubility. This white to pale-yellow powder or flake is a cornerstone of household and industrial cleaning, providing powerful grease cutting, wetting, and foaming performance in laundry powders, dishwashing liquids,

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Tetraethoxysilane 78 10 4 Structure

Tetraethoxysilane

Tetraethoxysilane (CAS: 78-10-4), commonly TEOS, is a silicon alkoxide precursor that hydrolyzes and condenses in the presence of water to form high-purity silica. This colorless liquid serves as the premier precursor for sol-gel silica coatings, silica aerogels, and optical fibers where ultra-high purity and controlled porosity are essential. In semiconductor manufacturing, TEOS enables chemical vapor

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Sodium Lignosulfonate 8061 51 6 Structure

Sodium lignosulfonate

Sodium lignosulfonate (CAS: 8061-51-6) is a water-soluble anionic polymer derived from lignin, the natural binder in wood, recovered as a by-product of the sulfite pulping process. This brown powder functions as a versatile dispersant, binder, and emulsifier across construction, agriculture, and industrial applications. In concrete admixtures, it acts as a plasticizer and water reducer improving

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