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Atomfair 4-Bromo-3-methylbenzohydrazide C8H9BrN2O CAS 148672-43-9

4-Bromo-3-methylbenzohydrazide (CAS No. 148672-43-9) is a high-purity organic compound with the molecular formula C8H9BrN2O . This benzohydrazide derivative features a bromo-substituted aromatic ring with a methyl group at the meta position, making it a valuable intermediate in synthetic organic chemistry and pharmaceutical research. The compound is supplied as a white to off-white crystalline powder with ≥95% purity (HPLC), ensuring consistency for demanding applications. It is soluble in common organic solvents such as DMSO, methanol, and ethanol but exhibits limited solubility in water. Proper storage conditions (2-8°C in a tightly sealed container under inert atmosphere) are recommended to maintain stability. Each…

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Description

4-Bromo-3-methylbenzohydrazide (CAS No. 148672-43-9) is a high-purity organic compound with the molecular formula C8H9BrN2O. This benzohydrazide derivative features a bromo-substituted aromatic ring with a methyl group at the meta position, making it a valuable intermediate in synthetic organic chemistry and pharmaceutical research. The compound is supplied as a white to off-white crystalline powder with ≥95% purity (HPLC), ensuring consistency for demanding applications. It is soluble in common organic solvents such as DMSO, methanol, and ethanol but exhibits limited solubility in water. Proper storage conditions (2-8°C in a tightly sealed container under inert atmosphere) are recommended to maintain stability. Each batch is accompanied by comprehensive analytical data including 1H NMR, HPLC, and mass spectrometry reports.

Properties

  • CAS Number: 148672-43-9
  • Complexity: 174
  • IUPAC Name: 4-bromo-3-methyl-benzohydrazide
  • InChI: InChI=1S/C8H9BrN2O/c1-5-4-6(8(12)11-10)2-3-7(5)9/h2-4H,10H2,1H3,(H,11,12)
  • InChI Key: BFJALHSTCHFUMF-UHFFFAOYSA-N
  • Exact Mass: 227.98983
  • Molecular Formula: C8H9BrN2O
  • Molecular Weight: 229.07
  • SMILES: CC1=C(C=CC(=C1)C(=O)NN)Br
  • Topological: 55.1
  • Monoisotopic Mass: 227.98983
  • Synonyms: 4-bromo-3-methylbenzohydrazide, 148672-43-9, 4-BROMO-3-METHYLBENZHYDRAZIDE, MFCD00672945, 4-Bromo-3-methylbenzoic hydrazide, 4-Bromo-3-methyl-benzoic acid hydrazide, Benzoic acid, 4-bromo-3-methyl-, hydrazide, SCHEMBL1459893, DTXSID40397880, BFJALHSTCHFUMF-UHFFFAOYSA-N, YFA67243, AKOS015835295, SB86322, DA-10057, SY362489, CS-0337161, EN300-7863301

Application

4-Bromo-3-methylbenzohydrazide serves as a versatile building block in medicinal chemistry for the synthesis of heterocyclic compounds and potential drug candidates. Researchers utilize this hydrazide derivative in the development of novel hydrazone-based ligands for catalytic applications. The bromo substituent enables further functionalization through cross-coupling reactions, while the hydrazide moiety participates in condensation reactions to form various nitrogen-containing heterocycles. This compound finds particular utility in the preparation of pharmaceutical intermediates targeting central nervous system disorders.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Acute Tox. 4 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2A (100%)
  • Acute Tox. 4 (100%)
  • STOT SE 3 (100%)

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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.

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