Dehydroepiandrosterone (CAS: 53-43-0), also known as DHEA or prasterone, is a C19 steroid that occurs naturally in humans and is produced primarily by the adrenal cortex. Supplied as a crystalline powder, it serves as a steroid building block and starting material for pharmaceutical and steroid research applications. Particle specifications vary across commercial sources. Buyers should
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p-Toluic Acid (CAS: 99-94-5), also called 4-methylbenzoic acid, is an aromatic carboxylic acid supplied as a white to light-yellow crystalline solid or powder. Its structure features a methyl group in the para position of the benzene ring, together with carboxylic acid functionality. As a fine-chemical intermediate, it is used in pharmaceutical manufacturing and in the
o-Toluidine (CAS: 95-53-4), also known as 2-methylaniline, is an aromatic primary amine supplied as a clear, colorless to pale-yellow liquid. It serves mainly as a chemical intermediate, with established industrial applications in the manufacture of dyes and pigments, rubber vulcanization accelerators, pesticides, and pharmaceutical compounds. These uses position it as a raw material for several
1,3-Dimethylurea (CAS: 96-31-1), also known as DMU, is a symmetrical substituted urea supplied as a white to colorless crystalline solid. It is used primarily as an intermediate in organic synthesis, including routes to caffeine, theophylline, and other pharmaceutical chemicals. Additional applications involve selected herbicide and textile-auxiliary chemistries. In textile processing, it is documented as an
Nifuroxazide (CAS: 965-52-6) is a synthetic nitrofuran antibacterial compound supplied as a defined small-molecule active ingredient and reference material. It has been used as a poorly absorbed oral intestinal anti-infective associated with treatment of bacterial diarrhea, and published clinical literature describes use in acute diarrhea. Approvals and permitted indications vary by jurisdiction. For raw-material buyers,
Adenosine Triphosphate Disodium Salt (CAS: 987-65-5) is the water-soluble disodium form of adenosine 5′-triphosphate, commonly called ATP. This nucleotide serves as a central energy carrier in cellular metabolism, with phosphate groups that participate in energy transfer and biochemical reactions. ATP also functions in cell signaling. Supplied as a white crystalline powder, the material is used
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Guanine (CAS: 73-40-5) is one of the five fundamental nucleobases, supplied as a white to off-white crystalline powder. It is a key raw material for nucleoside and nucleotide synthesis and an important intermediate in the production of antiviral drugs such as acyclovir. It also serves as a starting material for biochemical research and for the
N,N-Dimethylpropanamide (CAS: 758-96-3) is a polar amide solvent supplied as a clear, colorless liquid. It is used as a reaction and processing medium in polymer, agrochemical, and pharmaceutical synthesis. It also serves in electronic-grade cleaning and stripping formulations and as an extraction medium in specialty separations. The liquid is easy to recover by distillation and
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Sodium Nitrite (CAS: 7632-00-0) is an inorganic salt supplied as a white to pale yellow crystalline powder. It is a versatile industrial chemical used for metal passivation and corrosion inhibition in cooling and process water, as a diazotization agent in dye and pharmaceutical synthesis, as a raw material for rubber chemicals, and as an admixture
Itraconazole (CAS: 84625-61-6) is a white to off-white crystalline triazole antifungal active ingredient. It inhibits fungal ergosterol biosynthesis and is formulated into capsules and oral solutions for treating aspergillosis, candidiasis, and dermatophyte infections of skin and nails, including immunocompromised patients. As a bulk API it is one of the most widely used broad-spectrum azole antifungals,
Polyisobutylene (CAS 9003-27-4) is a synthetic homopolymer of isobutylene, also known as PIB. The repeat unit is commonly written (C₄H₈)ₙ. Commercial forms range from tacky elastomeric materials to clear viscous liquids, with physical form and performance varying with viscosity. It is hydrophobic, flexible and water-resistant.
Tetraethylammonium Chloride (CAS: 56-34-8) is a quaternary ammonium salt supplied as a white to light yellow crystalline powder. It is widely used as a phase-transfer catalyst in organic synthesis, moving ions into organic phases to accelerate displacement, alkylation, and condensation reactions. It is also a precursor for tetraethylammonium hydroxide and other derivatives, and a supporting
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Adenosine Cyclophosphate (CAS: 60-92-4), also known as cyclic AMP or cAMP, is a cyclic nucleotide supplied as a white crystalline powder. It is the classical second messenger that mediates hormonal signals inside cells by activating protein kinase A, making it a standard biochemical reagent for signal-transduction research and enzyme studies. It is also used as
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Triethylsilane (CAS: 617-86-7) is an organosilicon hydride supplied as a colorless liquid. It is a mild and selective reducing agent valued in organic synthesis for reducing carbocations, imines, and activated alkenes, and for scavenging carbocations in deprotection and rearrangement chemistry. It is used in palladium-catalyzed dehalogenation and in ionic-liquid synthesis, with broad application in pharmaceutical
3-Methylbenzyl Chloride (CAS: 620-19-9), also called m-xylyl chloride, is a benzylic halide supplied as a colorless to pale yellow liquid. The activated chloromethyl group is a strong alkylating agent that introduces the m-methylbenzyl group onto amines, phenols, and other nucleophiles, supporting synthesis of dyes, pesticides, cosmetic ingredients, and fragrances. The compound is a lachrymator requiring
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Diisopropylethylamine (CAS: 7087-68-5), widely known as DIPEA or Hunig’s base, is a sterically hindered tertiary amine supplied as a colorless liquid. It is a non-nucleophilic base used extensively in peptide synthesis and pharmaceutical manufacturing to neutralize acids without competing reactions, and it serves as a base and scavenger in alkylation, acylation, and coupling chemistry. Its
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