Description

(4-Oxothieno[3,2-D]Pyrimidin-3(4H)-Yl)Acetic Acid (Saltdata: Free) is a high-purity heterocyclic building block and pharmaceutical intermediate of significant synthetic utility. This compound is valued for its role as a key precursor in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of potential drug candidates, particularly those targeting kinase inhibition or other enzyme-related pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides that leverage the thienopyrimidine scaffold for bioactivity.
• Chemical Biology & Proteomics: Serves as a versatile scaffold for creating molecular probes, inhibitors, or tagged compounds for studying biological systems.
• Material Science Precursor: Can be utilized in the synthesis of organic semiconductors, ligands for metal-organic frameworks (MOFs), or other functional organic materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects requiring high-purity advanced intermediates.

Basic Information

Product Name	(4-Oxothieno[3,2-D]Pyrimidin-3(4H)-Yl)Acetic Acid (Saltdata: Free)
CAS No.	16290-53-2
Molecular Formula	C8H6N2O3S
Molecular Weight	210.21 g/mol
Synonyms	3-Carboxymethyl-4-hydroxythieno[3,2-d]pyrimidine; (4-Hydroxythieno[3,2-d]pyrimidin-3-yl)acetic Acid; 2-[(4-Oxo-3H-thieno[3,2-d]pyrimidin-3-yl)]acetic Acid; Thieno[3,2-d]pyrimidine-3-acetic acid, 4-hydroxy-; 16290-53-2; (4-Oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid
EINECS	Contact for details

Quality Control

Our (4-Oxothieno[3,2-D]Pyrimidin-3(4H)-Yl)Acetic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). This material may be hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
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.