3,4-Dimethyl-1H-pyrazole

CAS 2820-37-3C5H8N2Chemical Synthesis

3,4-Dimethyl-1H-pyrazole (CAS: 2820-37-3), with the molecular formula C5H8N2 and a molecular weight of 96.13 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to the development of novel compounds, making it a key intermediate for researchers and industrial chemists.

Synonyms: C5H8N2

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3,4-Dimethyl-1H-pyrazole (C5H8N2) — chemical structure, CAS 2820-37-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC3 to C5Chemical SynthesisHeterocyclic Building BlocksPyrazoles

01 /Applications

Chemical Synthesis Intermediate

3,4-Dimethyl-1H-pyrazole is utilised as a fundamental building block in organic synthesis. Its pyrazole ring structure is amenable to various functionalisation reactions, enabling the construction of more complex molecular architectures.

Research and Development

This compound is employed in academic and industrial research settings for the discovery and development of new chemical entities. It is particularly relevant in the study of heterocyclic compounds and their potential applications.

Pharmaceutical Intermediate

As a heterocyclic building block, 3,4-Dimethyl-1H-pyrazole can be incorporated into the synthetic routes for potential pharmaceutical candidates, contributing to the development of new therapeutic agents.

02 /Properties

Molecular weight	96.13
Empirical formula	C5H8N2
Assay	≥97.0%

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage
H412Harmful to aquatic life with long-lasting effects

Precautionary statements

P273Avoid release to the environment
P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22-41-52/53
Safety statements (S)	26-39-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

2820-37-3

Beilstein registry

1621

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3,4-Dimethyl-1H-pyrazole used for?

3,4-Dimethyl-1H-pyrazole is primarily used as a building block in chemical synthesis, particularly in the development of heterocyclic compounds for research and potential pharmaceutical applications.

What is the CAS number and molecular formula for 3,4-Dimethyl-1H-pyrazole?

The CAS number for 3,4-Dimethyl-1H-pyrazole is 2820-37-3, and its molecular formula is C5H8N2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3,4-Dimethyl-1H-pyrazole with an assay of ≥97.0%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.

How should 3,4-Dimethyl-1H-pyrazole be handled safely?

3,4-Dimethyl-1H-pyrazole is classified as Danger with hazards including H302 (Harmful if swallowed) and H318 (Causes serious eye damage). Handling requires a dust mask type N95 (US), eyeshields, and gloves. It is also harmful to aquatic life with long lasting effects (H412).