3-Difluoromethyl-1-methylpyrazole-4-carboxylic acid (DFPA) CAS 176969-34-9, used as an intermediate in fluorinated pesticides and in fine chemical applications.

1. Product Overview

3-Difluoromethyl-1-methylpyrazole-4-carboxylic acid (DFPA) is an important intermediate in the synthesis of fluorinated heterocyclic carboxylic acids.

This product simultaneously possesses a difluoromethyl (CF2H) functional group, a methylpyrazole heterocycle, and a carboxylic acid structure, making it a key intermediate in the synthesis of modern fluorinated pesticides and fine chemicals. The CF2H structure exhibits unique electronic effects that can improve the bioactivity, lipophilicity, and stability of target molecules.

2. Product Specifications (Refer to Jiayuan COA)

Product Name: 3-Difluoromethyl-1-methylpyrazole-4-carboxylic acid
English Name: 3-Difluoromethyl-1-Methyl-1H-Pyrazole-4-Carboxylic Acid
Abbreviation: DFPA
CAS Number: 176969-34-9
Product Category: Fluorinated heterocyclic intermediates / Pesticide intermediates
Packaging: 500kg/bag
Product Batch Number: 20251208
Inspection Date: 2025.12.09

3. Product quality indicators

According to the product inspection report of Changzhou Jiayuan Chemical Co., Ltd.:

DFPA content: 99.94%
Standard requirement: ≥99.0%

Isomer: ND
Standard requirement: ≤0.1%

Any single impurity: 0.050%
Standard requirement: <0.10%

Moisture: 0.048%
Standard requirement: <0.10%

Inspection conclusion: Meets the enterprise standard.

4. Product Structure Characteristics

① The difluoromethyl (CF2H) structure:
CF2H is an important functional group in the design of fluorinated drugs and agrochemical molecules in recent years, which can regulate the electronic properties and biological performance of molecules.

② The pyrazole heterocyclic structure:
The pyrazole ring is widely found in active pesticide molecules and is an important heterocyclic skeleton.

③ The carboxylic acid functional group
facilitates further structural transformation reactions such as esterification and amidation.

5. Main application areas

① Fluorinated pesticide intermediates
are used in the synthesis of fluorinated pyrazole agrochemicals, representing an important application direction for DFPA.

② In fine chemical synthesis,
they serve as building blocks for fluorinated heterocyclic structures, used in the development of functional molecules.

③ In pharmaceutical and life science research,
the CF2H and pyrazole structures have application value in drug molecule design.

④ In custom chemical development
, they can serve as important intermediates for customer-customized synthesis.

6. Product Features and Advantages

① High purity control:
The DFPA content in this batch reaches 99.94%, exceeding the enterprise standard of ≥99.0%.

② Excellent isomer control: Excellent
isomer detection (ND) is beneficial for downstream reaction stability.

③ Low moisture control:
Moisture content is 0.048%, meeting the needs of high-end fine chemical applications.

④ Large packaging capacity:
500kg/bag packaging, suitable for bulk purchases by industrial customers.

7. Packaging and Supply Information

Packaging: 500kg/bag.

Suitable for:
- Pesticide intermediate manufacturers;
- Fine chemical companies;
- International trading clients.

Quality documents such as COA, TDS, and SDS are available to support export supply.

8. Key Considerations for Procurement in the Russian Market

Customer focus on:

- DFPA purity;
- Isomer content;
- Single impurity control;
- Moisture content;
- Batch stability;
- Packaging specifications;
- COA, TDS, and SDS integrity.

9. Distinguishing it from related fluorine-containing intermediates

① DFPA and trifluoromethylpyrazole intermediates:
DFPA contains a CF2H structure, exhibiting different electronic effects and application directions.

② DFPA and common pyrazole carboxylic acid
: DFPA incorporates a difluoromethyl functional structure, resulting in higher fluorine content.

③ DFPA and general fluorinated aromatic intermediates
: DFPA belongs to a fluorinated heterocyclic system, offering unique applications in pesticide development.

10. FAQ

Q: What are the main applications of DFPA?
A: Mainly used in intermediates for fluorinated pesticides, fine chemicals, and custom synthesis.

Q: What is the product quality like?
A: According to Jiayuan's COA, this batch of DFPA has a content of 99.94%, isomer ND, and moisture content of 0.048%, meeting the company's standards.

Q: What are the packaging specifications?
A: 500kg/bag, suitable for bulk purchases by industrial customers.