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Benzothiazole is a fused bicyclic heterocycle – a benzene ring attached to a thiazole ring. BENZOTHIAZOLE-6-CARBOXYLIC ACID is a carboxylic acid group at the 6‑position of the benzothiazole skeleton (the carbon atom opposite the sulfur bridge). The molecular formula is C₈H₅NO₂S, with a molecular weight of 179.20. It appears as a white to light brown powder (color may vary with purity and batch), and has a high melting point of 245–251 °C – typical for aromatic carboxylic acids with hydrogen‑bonding networks. The predicted pKa is 3.70±0.30, making it a moderately weak acid, and the predicted density is 1.508±0.06 g/cm³.

This compound, systematically named O-Benzyl-N,N'-diisopropylisourea (often abbreviated as BDIU), belongs to the O‑alkylisourea class — isomers of N,N,N'‑trisubstituted ureas characterized by an oxygen‑carbon double bond. Its molecular formula is C₁₄H₂₂N₂O, with a molecular weight of 234.34 g/mol, and at room temperature, it presents as a colorless to light yellow to light orange clear liquid. The isourea structure is readily assembled via the reaction of N,N'‑diisopropylcarbodiimide (DIC) with benzyl alcohol.Cosperpharm supplies O‑benzyl‑N,N'‑diisopropylisourea with ≥97% purity (GC, titration), backed by full analytical documentation (COA, ¹H NMR, purity assays) and scalable packaging from milliliters to liters. The product is intended for laboratory R&D and pharmaceutical intermediate synthesis — a versatile benzylating agent when other methods fail.

1-(4-Chloro-2-hydroxyphenyl)-2,2,2-trifluoroethanone (also known as 4‘-chloro-2’-hydroxy-2,2,2-trifluoroacetophenone) is a functionalized aromatic ketone featuring a trifluoromethyl ketone moiety at the 1-position of an electron-rich 4-chloro-2-hydroxyphenyl ring, where the ortho-hydroxy group and the powerful electron-withdrawing trifluoromethyl group work in tandem to create a highly polarized, hydrogen-bond-donating platform for diverse synthetic transformations.

7-Benzothiazolecarboxylic acid (also known as benzo[d]thiazole-7-carboxylic acid) is a heterocyclic building block that combines a fused benzene–thiazole bicyclic core with a carboxylic acid group positioned at the 7-position [3†L11-L13]. The rigid planar scaffold of the benzothiazole ring provides a versatile and highly adaptable platform for pharmaceutical and agrochemical research, enabling diverse chemical modifications and biological interactions.

Methyl benzo[d]thiazole-5-carboxylate (also known as methyl 1,3-benzothiazole-5-carboxylate) is a heterocyclic ester that contains a benzothiazole bicyclic core — a benzene ring fused with a thiazole ring — with a methyl carboxylate substituent at the 5‑position. The fused, fully planar ring system provides a rigid π‑conjugated scaffold, while the thiazole ring‘s sulfur and nitrogen atoms create a polarized π‑deficient environment well suited for enzyme binding and further functionalization.

Tert-Butyl 4-(2-ethoxy-2-oxoethyl)piperidine-1-carboxylate (also known as 1-Boc-4-piperidine acetate ethyl ester) is a piperidine-based bifunctional molecule featuring a Boc-protected amine at the 1‑position and an ethyl acetate group at the 4‑position, where the combination of the acid-labile Boc group and the ester group provides orthogonal deprotection strategies, enabling controlled stepwise functionalization in multi‑step syntheses.