Description

4-Amino-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidine-2-thione is a high-purity, heterocyclic organic compound with the CAS registry number 121746-10-9. This specialized chemical serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block for complex organic synthesis. It is essential for research and development teams in the pharmaceutical, agrochemical, and fine chemical industries who require reliable, high-quality raw materials for creating novel active compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, due to its fused heterocyclic structure.
• Agrochemical Research: Used as a building block for developing new pesticides and herbicides with specific biological activity.
• Chemical Synthesis: Serves as a versatile scaffold in medicinal chemistry for creating libraries of compounds for high-throughput screening (HTS).
• Material Science Research: Investigated for its potential in creating organic electronic materials or metal-organic frameworks (MOFs).
• Academic & Contract Research: Supplied to universities and CROs (Contract Research Organizations) for fundamental research in organic and heterocyclic chemistry.

Basic Information

Product Name	4-Amino-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidine-2-thione
CAS No.	121746-10-9
Molecular Formula	C10H11N3S2
Molecular Weight	237.34 g/mol
Synonyms	4-Amino-2-thioxo-2,3-dihydro-1H-thieno[2,3-d]pyrimidine-5,6,7,8-tetrahydro analog; 4-Amino-2-mercapto-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 4-Amino-2-thioxo-1,2,3,5,6,7,8,8a-octahydrobenzothieno[2,3-d]pyrimidine; Tetrahydrobenzothienopyrimidinethione; 121746-10-9; 4-Amino-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine-2(1H)-thione
EINECS	Contact for details

Quality Control

Our production of 4-Amino-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidine-2-thione adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client or regulatory requirements.

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 heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.