Get FREE SHIPPING when you spend $99 or more | ATOMFAIR

Awaiting product image

Atomfair 1H-Pyrazole, 4-bromo-1-methyl- 4-bromo-1-methylpyrazole C4H5BrN2 CAS 15803-02-8

1H-Pyrazole, 4-bromo-1-methyl- (CAS: 15803-02-8) is a high-purity brominated pyrazole derivative with the molecular formula C4H5BrN2. This compound is an essential building block in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and specialty chemicals. With a purity of 97%, it is ideal for research applications requiring precise and reliable reagents. Its stable structure and reactivity make it suitable for cross-coupling reactions, nucleophilic substitutions, and as a precursor for heterocyclic compounds. Packaged under inert conditions to ensure stability, this product is a must-have for chemists and researchers working in medicinal chemistry and material science.

Category:

Description

1H-Pyrazole, 4-bromo-1-methyl- (CAS: 15803-02-8) is a high-purity brominated pyrazole derivative with the molecular formula C4H5BrN2. This compound is an essential building block in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and specialty chemicals. With a purity of 97%, it is ideal for research applications requiring precise and reliable reagents. Its stable structure and reactivity make it suitable for cross-coupling reactions, nucleophilic substitutions, and as a precursor for heterocyclic compounds. Packaged under inert conditions to ensure stability, this product is a must-have for chemists and researchers working in medicinal chemistry and material science.

Properties

  • CAS Number: 15803-02-8
  • Complexity: 66.7
  • IUPAC Name: 4-bromo-1-methyl-pyrazole
  • InChI: InChI=1S/C4H5BrN2/c1-7-3-4(5)2-6-7/h2-3H,1H3
  • InChI Key: IXJSDKIJPVSPKF-UHFFFAOYSA-N
  • Exact Mass: 159.96361
  • Molecular Formula: C4H5BrN2
  • Molecular Weight: 161.00
  • SMILES: CN1C=C(C=N1)Br
  • Topological: 17.8
  • Monoisotopic Mass: 159.96361
  • Synonyms: 4-bromo-1-methyl-1H-pyrazole, 15803-02-8, 1H-Pyrazole, 4-bromo-1-methyl-, DTXSID40166351, DTXCID4088842, 605-126-5, 4-bromo-1-methylpyrazole, 4-bromo-1-methyl-pyrazole, MFCD02179565, 1-Mehtyl-4-bromo-1H-pyrazole, 1-Methyl-4-bromopyrazole, SCHEMBL671347, SCHEMBL885506, pyrazole, 4-bromo-1-methyl-, SCHEMBL1948248, SCHEMBL6021167, ALBB-004428, BCP26906, BBL029607, SBB019150, STK503166, AKOS000320620, 4-Bromo-1-methyl-1H-pyrazole, 97%, AC-3274, CS-W002913, PB34028, PS-5740, SB10359, SY004708, DB-025016, ST4147648, B4060, NS00025138, EN300-55894, Z337709426

4-Bromo-1-methyl-1H-pyrazole is widely used as an intermediate in pharmaceutical synthesis, particularly in the development of kinase inhibitors and other bioactive molecules. It serves as a key precursor in Suzuki-Miyaura and Buchwald-Hartwig cross-coupling reactions for constructing complex heterocycles. Researchers also utilize this compound in agrochemical research to develop novel pesticides and herbicides. Its versatility extends to material science, where it aids in the synthesis of functionalized polymers and ligands for catalysis.

Safety and Hazards

GHS Hazard Statements

  • H315 (97.8%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H318 (95.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H335 (95.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P332+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (97.8%)
  • Eye Dam. 1 (95.7%)
  • STOT SE 3 (95.7%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products