Description

Pyrrole-2-carboxaldehyde (CAS No. 1003-29-8) is a high-purity heterocyclic aldehyde with the molecular formula C₅H₅NO. This compound, also known by its IUPAC name 1H-pyrrole-2-carbaldehyde, is a versatile building block in organic synthesis and pharmaceutical research. Its unique pyrrole ring structure with an aldehyde functional group makes it invaluable for constructing complex molecules, including pharmaceuticals, agrochemicals, and specialty materials. Our product is rigorously tested to ensure ≥98% purity (GC), with trace metals and moisture levels minimized for sensitive applications. Available in amber glass bottles or custom packaging to ensure stability, it is ideal for researchers requiring a reliable reagent for nucleophilic additions, condensation reactions, or metal-catalyzed transformations.

Key Features:

• High purity (≥98% by GC)
• Stable under inert atmosphere
• Compatible with Grignard reactions, reductive amination, and heterocyclic synthesis
• Stored under nitrogen to prevent oxidation

Properties

• CAS Number: 1003-29-8
• Complexity: 72.5
• IUPAC Name: 1H-pyrrole-2-carbaldehyde
• InChI: InChI=1S/C5H5NO/c7-4-5-2-1-3-6-5/h1-4,6H
• InChI Key: ZSKGQVFRTSEPJT-UHFFFAOYSA-N
• LogP: 0.64
• Exact Mass: 95.037113783
• Molecular Formula: C5H5NO
• Molecular Weight: 95.10
• SMILES: C1=CNC(=C1)C=O
• Topological: 32.9
• Monoisotopic Mass: 95.037113783
• Physical Description: Light yellow crystalline solid;
• Boiling Point: 216.00 to 218.00 °C. @ 760.00 mm Hg
• Melting Point: 50 – 51 °C
• Vapor Pressure: 0.32 [mmHg]
• Synonyms: 1H-Pyrrole-2-carbaldehyde, PYRROLE-2-CARBOXALDEHYDE, 2-Formylpyrrole, 1H-Pyrrole-2-carboxaldehyde, 2-Pyrrolecarboxaldehyde, Pyrrole-2-carbaldehyde, CHEBI:59978, UNII-068TSM6S6P, NSC 66394, NSC 112885, 068TSM6S6P, pyrrole-2-formaldehyde, EINECS 213-705-5, NSC-66394, NSC-112885, AI3-35104, DTXSID3061392, Pyrrole-2-carboxaldehyde (8CI), 2formylpyrrole, a-Pyrrolaldehyde, Pyrrole2aldehyde, 2Pyrrolecarbaldehyde, Pyrrole2carbaldehyde, 2Pyrrolylcarboxaldehyde, 1HPyrrole2carboxaldehyde, DTXCID6032512, inchi=1/c5h5no/c7-4-5-2-1-3-6-5/h1-4,6, zskgqvfrtsepjt-uhfffaoysa-n, 1003-29-8, Pyrrole-2-aldehyde, 2-Pyrrolecarbaldehyde, 254729-95-8, 2-Pyrrolylcarboxaldehyde, 2-Pyrrolaldehyde, alpha-Pyrrolaldehyde, 2-Pyrrolcarbaldehyde, Pyrrol-2-carboxaldehyde, MFCD00005217, 2-carboxaldehyde-1H-pyrrole, 1H-pyrrole-2-carboxyaldehyde, 1-Pyrrole-2-carboxaldehyde, 1(H)-pyrrole carboxaldehyde, 1H-Pyrrole-2-carboxaldehyde,radical ion(1-) (9CI), 1H-Pyrrolecarboxaldehyde, pyrrole carboxaldehyde, formyl-pyrrole, pyrrole aldehyde, 2-Formyl-pyrrole, 2-pyrrolaldehyde;, pyrrol-2-aldehyde, 2-pyrrole aldehyde, pyrrole-carboxaldehyde, 2-pyrrolcarboxaldehyde, pyrrol-2-carbaldehyde, 2-pyrrole carbaldehyde, .alpha.-Pyrrolaldehyde, 2-pyrrole carboxaldehyde, pyrrole 2-carboxaldehyde, Epitope ID:136032, SCHEMBL19596, SCHEMBL96571, 1H-Pyrrole-2-carbaldehyde #, 1( H)-Pyrrole carboxaldehyde, SCHEMBL1020645, SCHEMBL4881863, CHEMBL2229658, Pyrrole-2-carboxaldehyde, 98%, BCP13856, CS-D0925, NSC66394, STR01055, NSC112885, SBB004389, STK320567, AKOS000120434, AB00388, AC-4316, FP07114, PS-9355, SB62018, BP-10720, HY-77817, ST056382, SY001497, DB-030991, NS00021428, P1246, EN300-20526, AE-508/40279457, BRD-K20608729-001-01-9, Q27127003, F0001-2423, Z104478580, 1H-Pyrrole-2-carboxaldehyde; 2-Pyrrolecarbaldehyde;2-Formylpyrrole

Application

Pyrrole-2-carboxaldehyde is widely used as a precursor in the synthesis of pharmaceuticals, particularly for antimalarial and antiviral agents. Its aldehyde group enables facile condensation with amines to form Schiff bases, key intermediates in drug development. Researchers also employ it in material science to create conductive polymers and coordination complexes with transition metals. In agrochemistry, it serves as a scaffold for designing novel pesticides and fungicides.

Safety and Hazards

GHS Hazard Statements

• H315 (97.9%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (97.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (97.9%)
• Eye Irrit. 2A (97.9%)
• STOT SE 3 (97.2%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.