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2-Amino-4-tert-butylphenol CAS 1199-46-8 ​ is an aromatic organic compound featuring both an amine and a phenolic hydroxyl group on a benzene ring that is further substituted with a bulky tert-butyl group. It is a versatile sterically hindered aminophenol​ that serves as a key building block in specialty chemical synthesis. 2-Amino-4-tert-butylphenol is a sterically hindered, amphoteric building block​ that uniquely combines an electron-rich aromatic amine with a phenolic hydroxyl group, all anchored by a bulky tert-butyl substituent. This specific structure makes it an essential precursor for synthesizing high-performance, non-extractable stabilizers and vivid, lightfast colorants​ in demanding industrial applications.  

4-tert-Butyl-2-nitrophenol​ CAS 3279-07-0 is an organic compound belonging to the class of nitrophenols. It features a phenol ring substituted with a strong electron-donating tert-butyl group at the para position and a strong electron-withdrawing nitro group ortho to the hydroxyl group. This combination of substituents creates unique electronic and steric properties.4-tert-Butyl-2-nitrophenol is a strategically substituted phenolic building block​ whose unique structure—combining a sterically bulky electron-donating group with an ortho-positioned electron-withdrawing nitro group—makes it an indispensable precursor for high-performance, sterically hindered stabilizers and dyes. Its specific substitution pattern enables precise molecular architectures unattainable with simpler phenols.  

2,4,5-Trichloronitrobenzene​ CAS 89-69-0 is a chlorinated nitroaromatic compound, consisting of a benzene ring substituted with three chlorine atoms at the 2-, 4-, and 5- positions and a nitro group (-NO₂) at the 1-position. It is a key industrial intermediate with a defined asymmetry due to its specific substitution pattern. 2,4,5-Trichloronitrobenzene is a highly specialized and regiochemically defined synthon​ for agrochemical synthesis. Its precise arrangement of three chlorine atoms and one powerfully electron-withdrawing nitro group creates a predictable reactivity profile, enabling the efficient, multi-step construction of complex, bioactive molecules, particularly fungicides and herbicides.  

1,2,4-Trichlorobenzene CAS 120-82-1 is an aromatic hydrocarbon consisting of a benzene ring substituted with three chlorine atoms at the 1, 2, and 4 positions. It is one of the three isomers of trichlorobenzene and is the most commercially significant and thermally stable among them. It is a chlorinated solvent and chemical intermediate with a characteristic, sharp, aromatic odor.1,2,4-Trichlorobenzene (1,2,4-TCB) is a high-performance, high-boiling chlorinated aromatic solvent and intermediate​ prized for its exceptional thermal stability and powerful solvating ability. Its primary advantage lies in enabling industrial processes that require a robust, inert medium under demanding temperature and chemical conditions where common solvents fail.  

β-Nicotinamide Adenine Dinucleotide CAS 53-84-9 is a fundamental biological coenzyme found in all living cells. It is a dinucleotide consisting of two nucleotides joined through their phosphate groups: one nucleotide contains an adenine base (adenosine monophosphate, AMP), and the other contains a nicotinamide base (nicotinamide mononucleotide, NMN). The "β" denotes the stereospecific configuration of the glycosidic bond in the nicotinamide riboside moiety, which is essential for biological activity. NAD+ exists in two interconvertible redox states: the oxidized form (NAD+) and the reduced form (NADH).β-Nicotinamide Adenine Dinucleotide  is the universal and indispensable redox coenzyme central to cellular metabolism and signaling. It is not merely a supplement but the active, endpoint molecule​ itself, serving as the direct co-substrate for hundreds of enzymes that govern energy production, genomic repair, and epigenetic regulation.

(S)-(−)-Tetrahydro-2-furoic acid​ CAS 87392-07-2 is a chiral, non-proteinogenic carboxylic acid featuring a saturated furan ring (tetrahydrofuran, THF) with a carboxylic acid group at the 2-position. It is the single (S)-enantiomer of 2-tetrahydrofuroic acid, a valuable chiral building block​ in organic synthesis. This compound is a high-value, enantiomerically pure chiral building block​ that provides a ready-to-use, metabolically stable, and conformationally constrained tetrahydrofuran (THF) carboxylic acid scaffold in the (S)-configuration. Its primary value lies in enabling efficient, stereocontrolled synthesis of complex molecules for life sciences.

β-Nicotinamide Mononucleotide (NMN)​  CAS 1094-61-7 is a biologically essential nucleotide and the direct biosynthetic precursor to nicotinamide adenine dinucleotide (NAD+). It consists of a nicotinamide base, a ribose sugar, and a phosphate group, forming a mononucleotide. The "β" designation refers to the specific stereochemical configuration of the glycosidic bond between the nicotinamide and the ribose, which is the naturally occurring and biologically active form.NMN is the direct, rate-limiting biochemical precursor to Nicotinamide Adenine Dinucleotide (NAD+), a fundamental coenzyme central to cellular energy production, DNA repair, and genetic expression. Its primary advantage is the efficient and rapid restoration of declining NAD+ levels, a hallmark of aging and metabolic dysfunction, thereby targeting the root cause of age-associated cellular decline.  

N-Ethoxycarbonylcarbamic Acid Ethyl Ester CAS 19617-44-8 is a versatile and efficient ​symmetrical diethyl dicarbonate reagent​ primarily used as a ​compact, mild protecting group agent and heterocyclic building block​ in organic synthesis.A specialized, symmetrical ​diethyl dicarbonate reagent​ serving as a compact protecting group agent and versatile heterocyclic synthesis building block.  

Methyl 4-(1-piperazinyl)benzoate​ CAS 163210-97-7​ is a synthetic organic compound belonging to the class of piperazine-containing benzoate esters. It consists of a benzoate ester core (methyl para-aminobenzoate derivative) where the amino group is part of a piperazine ring. This structure makes it a versatile pharmacophore​ and key synthetic intermediate.Methyl 4-(1-piperazinyl)benzoate is a privileged pharmaceutical building block​ that combines a synthetically versatile benzoate ester with a piperazine ring—a ubiquitous pharmacophore in CNS-active drugs. Its primary advantage lies in being the definitive, high-value intermediate​ in the synthesis of blockbuster antipsychotics, while also serving as a versatile scaffold for novel drug discovery.  

p-Chlorophenethyl bromide​ CAS 6529-53-9 is a halogenated organic compound belonging to the class of arylalkyl bromides. It consists of a phenethyl group (a benzene ring with a two-carbon ethylene spacer) substituted with a chlorine atom at the paraposition and a bromine atom on the terminal carbon of the ethylene chain. This structure makes it a valuable electrophilic alkylating agent​ and a versatile bifunctional building block​ in synthetic organic chemistry.

(R)-3-(1-Methyl-2-pyrrolidinyl)pyridine​ CAS 25162-00-9 is the dextrorotatory (R)-enantiomer of nicotine, the principal alkaloid found in plants of the Nicotianagenus. Its structure consists of a pyridine ring linked to an N-methylpyrrolidine ring, with a stereogenic center at the 2'-position of the pyrrolidine ring.This compound is enantiomerically pure, natural-configuration (R)-(−)-Nicotine. Its value is defined by its specific, high-affinity interaction with nicotinic acetylcholine receptors (nAChRs), making it the gold-standard ligand and active ingredient​ for research and precision applications where stereochemical purity is non-negotiable for biological activity and regulatory compliance.

Diethyl malate​ CAS 7554-12-3 is the diethyl ester of malic acid, a naturally occurring dicarboxylic acid. It is a clear, colorless to pale yellow liquid ester with a characteristic, mild fruity odor. Its structure consists of a four-carbon malate backbone (HOOC-CH2-CH(OH)-COOH) where both carboxylic acid groups are esterified with ethanol.Diethyl Malate is a multifunctional, bio-based ester​ that uniquely serves as a high-performance green solvent, a pleasant flavor/fragrance precursor, and a versatile chemical building block. Its combination of safety, sustainability, and dual functional group reactivity makes it a superior choice for modern, eco-conscious formulations.