Description

1H-Indazole-5-Carbaldehyde is a versatile heterocyclic building block and key synthetic intermediate. This compound is of significant commercial interest for its role in the development of novel active pharmaceutical ingredients (APIs) and advanced materials. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, particularly kinase inhibitors and other small molecule therapeutics.
• Agrochemical Research: Serves as a key scaffold for developing new pesticides and herbicides with novel modes of action.
• Organic Synthesis Building Block: Used in palladium-catalyzed cross-coupling reactions, reductive amination, and other transformations to introduce the indazole aldehyde moiety.
• Material Science: Employed in the research and development of organic semiconductors, ligands for catalysts, and photoactive materials.
• Biochemical Probe Development: Utilized in medicinal chemistry for creating molecular probes to study biological pathways and enzyme functions.

Basic Information

Product Name	1H-Indazole-5-Carbaldehyde
CAS No.	253801-04-6
Molecular Formula	C8H6N2O
Molecular Weight	146.15 g/mol
Synonyms	5-Formyl-1H-indazole; 1H-Indazole-5-carboxaldehyde; 5-Indazolecarboxaldehyde; Indazole-5-carbaldehyde; 5-Carbaldehyde-1H-indazole; 253801-04-6; 5-Formylindazole
EINECS	Contact for details

Quality Control

Our 1H-Indazole-5-Carbaldehyde is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your regulatory and R&D needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.