Description

Acetic Acid, [(1,4-Dihydro-5,6-Dimethyl-4-Oxothieno[2,3-D]Pyrimidin-2-Yl)Thio]-, 2-Acetylhydrazide (9Ci) is a specialized heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. This high-purity intermediate is valued for its unique molecular architecture, which incorporates both thienopyrimidine and acetylhydrazide functional groups. It is primarily utilized by research institutions and pharmaceutical development companies engaged in the discovery and synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, or plant growth regulators that leverage the thienopyrimidine scaffold.
• Chemical Synthesis Building Block: Employed in organic chemistry for constructing complex heterocyclic systems in academic and industrial R&D settings.
• Material Science Research: Investigated as a potential monomer or functional additive for creating specialized polymers with unique electronic or thermal properties.
• Bioconjugation & Probe Development: The reactive hydrazide moiety makes it suitable for developing biochemical probes, diagnostic agents, or targeted conjugates in life sciences.

Basic Information

Product Name	Acetic Acid, [(1,4-Dihydro-5,6-Dimethyl-4-Oxothieno[2,3-D]Pyrimidin-2-Yl)Thio]-, 2-Acetylhydrazide (9Ci)
CAS No.	606108-20-7
Molecular Formula	C12H14N4O3S2
Molecular Weight	326.39 g/mol
Synonyms	2-Acetylhydrazide of [(1,4-Dihydro-5,6-dimethyl-4-oxothieno[2,3-d]pyrimidin-2-yl)thio]acetic Acid; Acetic Acid, 2-[(5,6-Dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio]-, 2-acetylhydrazide; Thieno[2,3-d]pyrimidine-2-acetic acid, 1,4-dihydro-5,6-dimethyl-4-oxo-, 2-acetylhydrazide; (9CI) Identifier; Research Grade 606108-20-7.
EINECS	Contact for details

Quality Control

Every batch of Acetic Acid, [(1,4-Dihydro-5,6-Dimethyl-4-Oxothieno[2,3-D]Pyrimidin-2-Yl)Thio]-, 2-Acetylhydrazide (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your critical research and development applications. Certificates of Analysis (COA) detailing purity (typically ≥95% by HPLC), identity confirmation, and impurity profiles are available for every shipment. Our quality commitment supports compliance with relevant research and development standards.

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 compound is light-sensitive and easily oxidized; for long-term storage, consider maintaining the material under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 5.0%

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