Products

4-(1H-Pyrrol-1-yl)benzoic acid is a bifunctional aromatic molecule that combines a pyrrole heterocycle with a benzoic acid moiety. The electron-rich nitrogen of the pyrrole ring is directly linked to the para-position of the benzoic acid, creating a conjugated D–π–A system (pyrrole as donor, benzene ring as π-bridge, carboxylic acid as acceptor) that underpins its utility in medicinal chemistry and materials science.

3,5-Dimethyl-1-benzofuran-2-carbaldehyde is a substituted benzofuran aldehyde featuring a benzofuran fused-ring core, two methyl groups (electron-donating) at positions 3 and 5, and an aldehyde group (reactive handle) at position 2. The synergy of these three structural units endows the molecule with unique chemical reactivity and potential biological functions.

Methyl 5-acetylsalicylate (also known as Methyl 5‑acetyl‑2‑hydroxybenzoate; CAS: 16475‑90‑4, molecular formula: C₁₀H₁₀O₄, molecular weight: 194.18 g/mol) is a functionalized benzoate ester featuring both a methyl ester group and an acetyl substituent on the aromatic ring. The compound is a white to off‑white crystalline solid (melting point 62–64 °C) that is readily soluble in methanol and other organic solvents.

2-(1H-Pyrrol-1-yl)benzoic acid, also known as 1‑(2‑carboxyphenyl)pyrrole or 2‑(1‑pyrrolyl)benzoic acid, is an organic compound characterized by a pyrrole ring directly substituted with an ortho‑carboxyphenyl group [7+L3-L8]. With a molecular formula of C₁₁H₉NO₂ and a molecular weight of 187.19 g/mol, this unique structure combines the electron‑rich nature of the pyrrole heterocycle with the versatile reactivity of a carboxylic acid (–COOH) at the benzylic ortho position [3+L18-L19]. This distinctive arrangement makes it an ideal fragment molecule and molecular scaffold for linking, expanding, and modifying new chemical entities [6+L12-L16].

ETHYL 4-(1H-PYRROL-1-YL)BENZOATE (CAS: 5044‑37‑1, molecular formula: C₁₃H₁₃NO₂, molecular weight: 215.25 g/mol) is an organic compound featuring a pyrrole ring linked to a benzoate ester backbone. The molecule consists of a para‑substituted benzoic acid ethyl ester with a pyrrole moiety attached through the nitrogen atom to the aromatic ring. This structural motif places it at the crossroads of heterocyclic chemistry and aromatic ester chemistry, offering a distinctive combination of electronic and steric properties.

5-Aminofluorescein (CAS: 3326-34-9, molecular formula: C₂₀H₁₃NO₅, molecular weight: 347.32) belongs to the amino‑substituted fluorescein family. It features a fluorescein backbone with an amino group (–NH₂) at the 5‑position (Isomer I), appearing as a reddish‑brown to dark brown crystalline powder that emits bright green fluorescence upon excitation. The molecule consists of a xanthene core bridged by an oxygen atom, with the amino group providing a versatile handle for covalent conjugation.