Parecoxib Sodium (CAS: 198470-85-8) is the water-soluble sodium salt of parecoxib, a prodrug of the COX-2 selective inhibitor valdecoxib. It is a white to off-white solid used in injectable analgesic products for short-term management of postoperative pain. The compound combines an isoxazole aromatic core with a sulfonamide propanamide sodium salt, enabling rapid in-vivo conversion to
Methyltris(methylethylketoxime)silane (CAS: 22984-54-9), commonly abbreviated MOS, is a colorless to yellowish transparent organosilane crosslinker. It reacts with moisture to form siloxane bonds and is widely used in neutral-cure silicone sealant systems. The product provides good adhesion, elasticity, and storage stability while releasing methyl ethyl ketoxime during curing. Commercial material is commonly supplied at a minimum
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Methyltriphenylphosphonium bromide (CAS 2524-64-3) is a white to off-white crystalline phosphonium salt with formula C₁₉H₁₈BrP and MW 357.23. After deprotonation it forms a methylene ylide that converts aldehydes and ketones into terminal alkenes. It is a standard Wittig reagent precursor for carbon–carbon double-bond formation.
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1,3-Dimethoxybenzene (CAS: 151-10-0) is a colorless aromatic ether with a sweet, earthy, nut-like odor. It is the meta isomer of dimethoxybenzene and is widely used as a versatile aromatic intermediate. Its methoxy groups direct further substitution reactions, making the compound valuable for preparing fragrances, pharmaceutical intermediates, agrochemicals, dyes, and functional materials. Commercial material is commonly
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Efavirenz (CAS: 154598-52-4) is a white to off-white crystalline pharmaceutical active ingredient in the non-nucleoside reverse transcriptase inhibitor class. It is used in combination antiretroviral therapy for the management of HIV-1 infection. The molecule contains a chiral benzoxazinone core with cyclopropylethynyl and trifluoromethyl substituents, which are essential to its pharmacological activity. High-purity Efavirenz is manufactured
Sodium lauroamphoacetate (CAS 156028-14-7) is a mild amphoteric surfactant based on lauric acid. It is normally supplied as an aqueous solution with about 30% active matter. A representative formula for the amphoacetate structure is C₁₈H₃₅N₂NaO₃ (MW 350.48); commercial material is a mixture associated with the lauric acid hydrophobe. It provides gentle cleansing, stable foam and
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3-Carbamoylmethyl-5-methylhexanoic acid (CAS: 181289-15-6) is a white to off-white crystalline pharmaceutical intermediate. It contains both a carboxylic acid and a primary amide group, enabling controlled conversion into downstream chiral intermediates. The compound is associated with synthetic routes to pregabalin, an active pharmaceutical ingredient used for neuropathic pain and related therapeutic areas. It is supplied as
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2-tert-Butyl-4,6-dimethylphenol (CAS: 1879-09-0) is a hindered phenolic antioxidant, commonly supplied as a colorless liquid or white crystalline solid. Its bulky tert-butyl and methyl substituents support effective hydrogen-donation and radical-scavenging behavior. The compound helps inhibit oxidative degradation, discoloration, and viscosity change in polymers, fuels, lubricants, and other organic materials. It is also used as an intermediate
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Rosuvastatin Formyl Intermediate (CAS: 147118-37-4) is a fluorinated pyrimidine aldehyde used as a synthetic building block in rosuvastatin manufacture. It carries the substituted pyrimidine core and a reactive aldehyde group that enables attachment of the statin side chain during synthesis. Commercial listings identify it as both a rosuvastatin intermediate and a formyl impurity or reference
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1,4-Dimethoxybenzene (CAS: 150-78-7) is a white crystalline aromatic ether, also known as hydroquinone dimethyl ether or p-dimethoxybenzene. It is a stable aromatic building block used across specialty chemical manufacturing. With two para-oriented methoxy groups, it supports selective electrophilic substitution and is useful in the synthesis of fragrance ingredients, agrochemicals, dyes, and polymer-related intermediates. Commercial material
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1-Bromooctadecane (CAS: 112-89-0) is a straight-chain C18 alkyl bromide supplied as a solid for chemical synthesis. Its terminal bromine atom provides a reactive site for nucleophilic substitution and long-chain alkylation, supporting preparation of octadecyl derivatives and specialty organic compounds. Documented applications include preparation of shortened single-walled carbon nanotubes and use as a precursor to an
Rivastigmine Tartrate (CAS: 129101-54-8) is the hydrogen tartrate, or L-tartrate, salt of rivastigmine, supplied as a white to off-white crystalline solid. It is a dual, reversible inhibitor of acetylcholinesterase and butyrylcholinesterase, enzymes that metabolize acetylcholine. Its principal commercial role is as an active pharmaceutical ingredient for dementia medicines, including products used in Alzheimer’s disease and
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Tritylolmesartan Medoxomil (CAS: 144690-92-6) is a protected pharmaceutical intermediate used in the synthesis of olmesartan medoxomil. Its structure contains a trityl-substituted tetrazole and medoxomil ester, making this advanced intermediate relevant to pharmaceutical process chemistry and analytical work associated with the olmesartan medoxomil route. Supplied as a solid, it is also offered as a research or
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1-Bromooctane (CAS: 111-83-1) is a linear primary alkyl bromide supplied as a clear liquid for use as a reactive building block in organic synthesis. Its terminal bromine can be displaced in substitution reactions, introducing an octyl group into target molecules. Applications include preparing specialty intermediates and functional materials, with selected uses in surfactant-related compounds and
Butyltin Trichloride (CAS: 1118-46-3), also known as n-butyltin trichloride, is an organotin chemical supplied as a clear, colorless-to-yellow liquid. It is primarily handled as a reactive reagent and intermediate for preparing other organotin compounds, rather than as a general-purpose formulation ingredient. Organotin derivatives have been used in PVC stabilization and specialty biocidal or coating applications;
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Dimethyl Glutarate (CAS: 1119-40-0) is the dimethyl diester of glutaric acid, supplied as a clear, colorless liquid for industrial formulation and synthesis. Its solvent properties support coatings and related formulations, including inks and adhesives. Its ester functionality also supports use as an organic intermediate in resin and specialty-chemical manufacture. Commercial material is available in drums
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