

share
5-(Thien-2-Yl)-7-(Trifluoromethyl)Pyrazolo[1,5-A]Pyrimidine-2-Carbonyl Chloride CAS NO 524036-13-3
Unit Price:
CAS No.:524036-13-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
5-(Thien-2-Yl)-7-(Trifluoromethyl)Pyrazolo[1,5-A]Pyrimidine-2-Carbonyl Chloride is a high-purity, advanced pharmaceutical intermediate characterized by its reactive carbonyl chloride group. This compound matters for its critical role as a key building block in the synthesis of novel, biologically active molecules, particularly in medicinal chemistry. It is primarily needed by research institutions and pharmaceutical manufacturers developing new therapeutic agents, especially in the areas of kinase inhibitors and other targeted small-molecule drugs.
Application
- Pharmaceutical Intermediate: Serves as a crucial precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs) for drug discovery and development.
- Medicinal Chemistry Research: Used as a versatile scaffold for constructing complex heterocyclic compounds with potential biological activity.
- Kinase Inhibitor Development: A key building block for creating novel pyrazolopyrimidine-based compounds targeting various kinase pathways.
- Chemical Biology Probes: Employed in the synthesis of specialized molecules used to study biological processes and identify new drug targets.
- Agrochemical Research: Potential intermediate in the development of new crop protection agents and pesticides.
- Material Science: Can be utilized in the synthesis of specialized organic materials and ligands for catalysis.
Basic Information
| Product Name | 5-(Thien-2-Yl)-7-(Trifluoromethyl)Pyrazolo[1,5-A]Pyrimidine-2-Carbonyl Chloride |
| CAS No. | 524036-13-3 |
| Molecular Formula | C12H5ClF3N3OS |
| Molecular Weight | 347.70 g/mol |
| Synonyms | 5-(Thiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carbonyl chloride; 5-(2-Thienyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carbonyl chloride; Pyrazolo[1,5-a]pyrimidine-2-carbonyl chloride, 5-(2-thienyl)-7-(trifluoromethyl)-; 524036-13-3; 5-(Thien-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid chloride |
| EINECS | Contact for details |
Quality Control
Our 5-(Thien-2-Yl)-7-(Trifluoromethyl)Pyrazolo[1,5-A]Pyrimidine-2-Carbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for research and pre-clinical development phases.
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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong acids and incompatible materials.
Specification
| Item | Specification |
|---|---|
| Appearance | Off-white to light yellow crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (NMR) | Conforms to structure |
| Purity (HPLC) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Single Unknown Impurity (HPLC) | ≤ 1.0% |
| Total Impurities (HPLC) | ≤ 3.0% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Methyl Chloroformate CAS NO 79-22-1


3-Butenyl Chloroformate CAS NO 88986-45-2


Dimethylcarbamoyl Chloride CAS NO 79-44-7


Methyl Malonyl Chloride CAS NO 37517-81-0


(Chloromethylene)Dimethyliminium Chloride CAS NO 3724-43-4


Bromoacetyl Chloride CAS NO 22118-09-8


Phenyl Chloroformate CAS NO 1885-14-9


Acetoxyacetyl Chloride CAS NO 13831-31-7


Ethyl Succinyl Chloride CAS NO 14794-31-1


5-Chlorovaleryl Chloride CAS NO 1575-61-7


(S)-(-)-2-Acetoxypropionyl Chloride CAS NO 36394-75-9


Cinnamoyl Chloride CAS NO 102-92-1


4-Phenylazobenzoyl Chloride CAS NO 104-24-5


Isovaleryl Chloride CAS NO 108-12-3


4-Chlorobenzoyl Chloride CAS NO 122-01-0


4-Nitrobenzoyl Chloride CAS NO 122-04-3


Ethylenebis(Chloroformate) Puriss 98 CAS NO 124-05-0


Hexanoyl Chloride CAS NO 142-61-0


3,3'-Disulfanediyldipropanoyl Chloride CAS NO 1002-18-2


Diphenylcarbamyl Chloride CAS NO 198-31-2
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






