Description

3-(5,6-Dimethyl-Thieno[2,3-D]Pyrimidin-4-Ylamino)-Propionic Acid is a high-purity, advanced pharmaceutical intermediate belonging to the thienopyrimidine class of heterocyclic compounds. This compound is valued for its role as a critical building block in the synthesis of novel therapeutic agents, particularly in oncology and antiviral research. It is primarily utilized by pharmaceutical R&D laboratories, contract research organizations (CROs), and fine chemical manufacturers engaged in the development of targeted small-molecule drugs.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel kinase inhibitors and other targeted cancer therapies.
• Biochemical Research: Used as a reference standard or building block in medicinal chemistry for structure-activity relationship (SAR) studies.
• API Development: Serves as a critical component in the development and scale-up of new Active Pharmaceutical Ingredients (APIs) within the thienopyrimidine scaffold.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects.
• Academic Research: Utilized in university and institutional labs for exploring new heterocyclic chemistry and drug discovery pathways.

Basic Information

Product Name	3-(5,6-Dimethyl-Thieno[2,3-D]Pyrimidin-4-Ylamino)-Propionic Acid
CAS No.	690688-63-2
Molecular Formula	C13H15N3O2S
Molecular Weight	277.34 g/mol
Synonyms	3-[(5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl)amino]propanoic acid; 3-(5,6-Dimethyl-thieno[2,3-d]pyrimidin-4-ylamino)-propionic acid; 4-Amino-5,6-dimethylthieno[2,3-d]pyrimidine-3-propanoic acid; 690688-63-2; Thieno[2,3-d]pyrimidine-3-propanoic acid derivative; 3-(4-Amino-5,6-dimethylthieno[2,3-d]pyrimidin-3-yl)propanoic acid
EINECS	Contact for details

Quality Control

Every batch of 3-(5,6-Dimethyl-Thieno[2,3-D]Pyrimidin-4-Ylamino)-Propionic Acid is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all critical quality attributes. We support development and commercial projects requiring compliance with cGMP and ICH Q7 guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to ensure maximum stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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