Description

2H-Pyran-5-Carboxaldehyde, 3,4-Dihydro-4-Hydroxy-2-Imino- (9Ci) is a specialized heterocyclic aldehyde building block with significant synthetic utility. This compound matters for its role as a versatile intermediate in the synthesis of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors seeking to construct novel pyran and fused-ring systems.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing dihydropyran or fused heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides where its unique structure can contribute to biological activity.
• Fine Chemical Production: Serves as a building block for creating complex flavors, fragrances, and specialty chemicals requiring specific chiral or functionalized pyran units.
• Material Science Research: Employed in the synthesis of organic ligands, monomers, or advanced polymers with potential applications in electronics or catalysis.
• Academic & R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and the exploration of new synthetic pathways.

Basic Information

Product Name	2H-Pyran-5-Carboxaldehyde, 3,4-Dihydro-4-Hydroxy-2-Imino- (9Ci)
CAS No.	198714-78-2
Molecular Formula	C6H7NO3
Molecular Weight	141.13 g/mol
Synonyms	4-Hydroxy-2-imino-3,4-dihydro-2H-pyran-5-carboxaldehyde; 3,4-Dihydro-4-hydroxy-2-imino-2H-pyran-5-carboxaldehyde; 2-Imino-3,4-dihydro-4-hydroxy-2H-pyran-5-carbaldehyde; 5-Formyl-4-hydroxy-3,4-dihydro-2H-pyran-2-imine; 198714-78-2; Dihydro-4-hydroxy-2-imino-2H-pyran-5-carboxaldehyde
EINECS	Contact for details

Quality Control

Our 2H-Pyran-5-Carboxaldehyde, 3,4-Dihydro-4-Hydroxy-2-Imino- (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 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.