Description

Acetic Acid, [(1,4-Dihydro-5,6-Dimethyl-4-Oxothieno[2,3-D]Pyrimidin-2-Yl)Thio]-, Cyclohexyl Ester (9Ci) is a specialized organic compound featuring a thienopyrimidinone core linked via a thioether bridge to a cyclohexyl acetate moiety. This unique molecular architecture makes it a valuable advanced pharmaceutical intermediate and a versatile building block for heterocyclic chemistry. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or other enzymatic pathways.
• Agrochemical Research: Serves as a core scaffold for developing new herbicides, fungicides, or plant growth regulators with the thienopyrimidinone structure.
• Chemical Synthesis Building Block: Used in organic synthesis to introduce the complex thieno[2,3-d]pyrimidin-4-one heterocycle into larger molecules.
• Material Science Research: Potential intermediate for creating specialty polymers or organic electronic materials with specific optoelectronic properties.
• Bioconjugation & Probe Development: The reactive ester group can be utilized for coupling reactions in biochemical probe and linker synthesis.

Basic Information

Product Name	Acetic Acid, [(1,4-Dihydro-5,6-Dimethyl-4-Oxothieno[2,3-D]Pyrimidin-2-Yl)Thio]-, Cyclohexyl Ester (9Ci)
CAS No.	606107-53-3
Molecular Formula	C16H20N2O3S2
Molecular Weight	352.47 g/mol
Synonyms	Cyclohexyl [(5,6-dimethyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio]acetate; 2-(((Cyclohexyloxy)carbonyl)methylthio)-5,6-dimethylthieno[2,3-d]pyrimidin-4(1H)-one; Acetic acid, 2-[(5,6-dimethyl-4-oxo-1H-thieno[2,3-d]pyrimidin-2-yl)thio]-, cyclohexyl ester; Thieno[2,3-d]pyrimidin-4-one derivative; CAS 606107-53-3.
EINECS	Contact for details

Quality Control

Our production of this high-value intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and MS. Certificates of Analysis (COA) detailing batch-specific results are provided to ensure traceability and compliance with your research or cGMP starting material requirements.

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). The compound may be light-sensitive and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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