Description

5H-Pyrano[3,4-B]Pyrazine-2-Carboxylicacid,3-Amino-7,8-Dihydro-8-(Hydroxyimino)-7,7-Dimethyl-,Ethylester,4-Oxide(9Ci) is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is valued for its role as a key synthetic building block in the development of novel active pharmaceutical ingredients (APIs). It is primarily targeted at research and development (R&D) laboratories and production facilities within the pharmaceutical and fine chemical industries.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug molecules, particularly in research for new therapeutic agents.
• Organic Synthesis Building Block: Used in academic and industrial research for constructing complex pyrano-pyrazine based heterocyclic frameworks.
• Medicinal Chemistry Research: Employed in the discovery and optimization of new chemical entities (NCEs) for various disease targets.
• Fine Chemical Production: Utilized in the multi-step synthesis of specialty chemicals requiring high structural precision.
• Contract Research & Manufacturing (CRAM): Supplied to organizations specializing in custom synthesis and process development.

Basic Information

Item	Details
Product Name	5H-Pyrano[3,4-B]Pyrazine-2-Carboxylicacid,3-Amino-7,8-Dihydro-8-(Hydroxyimino)-7,7-Dimethyl-,Ethylester,4-Oxide(9Ci)
CAS No.	405294-66-8
Molecular Formula	C13H16N4O6
Molecular Weight	324.29 g/mol
Synonyms	Ethyl 3-amino-8-(hydroxyimino)-7,7-dimethyl-4-oxido-7,8-dihydro-5H-pyrano[3,4-b]pyrazine-2-carboxylate; 5H-Pyrano[3,4-b]pyrazine-2-carboxylic acid, 3-amino-7,8-dihydro-8-(hydroxyimino)-7,7-dimethyl-, ethyl ester, 4-oxide; CAS 405294-66-8; 3-Amino-8-(hydroxyimino)-7,7-dimethyl-4-oxido-7,8-dihydro-5H-pyrano[3,4-b]pyrazine-2-carboxylic acid ethyl ester; Ethyl 3-amino-8-(hydroxyimino)-7,7-dimethyl-4-oxido-5,7,8,9-tetrahydropyrano[3,4-b]pyrazine-2-carboxylate
EINECS	Contact for details

Quality Control

Our 5H-Pyrano[3,4-B]Pyrazine-2-Carboxylicacid,3-Amino-7,8-Dihydro-8-(Hydroxyimino)-7,7-Dimethyl-,Ethylester,4-Oxide(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and structural integrity, meeting the stringent requirements for pharmaceutical R&D. 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 controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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