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Atomfair 2-Bromo-5-methylbenzaldehyde C8H7BrO CAS 90221-55-9

2-Bromo-5-methylbenzaldehyde (CAS No. 90221-55-9) is a high-purity aromatic aldehyde compound with the molecular formula C8H7BrO . This halogenated benzaldehyde derivative features a bromo substituent at the 2-position and a methyl group at the 5-position of the benzene ring, making it a versatile building block for organic synthesis and pharmaceutical research. The compound is supplied as a crystalline solid with ≥95% purity (GC), ensuring optimal performance in demanding applications. Suitable for use in Suzuki coupling, Grignard reactions, and other transition-metal-catalyzed transformations, it is packaged under inert gas to maintain stability. Available in quantities from grams to kilograms, this product is ideal…

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Description

2-Bromo-5-methylbenzaldehyde (CAS No. 90221-55-9) is a high-purity aromatic aldehyde compound with the molecular formula C8H7BrO. This halogenated benzaldehyde derivative features a bromo substituent at the 2-position and a methyl group at the 5-position of the benzene ring, making it a versatile building block for organic synthesis and pharmaceutical research. The compound is supplied as a crystalline solid with ≥95% purity (GC), ensuring optimal performance in demanding applications. Suitable for use in Suzuki coupling, Grignard reactions, and other transition-metal-catalyzed transformations, it is packaged under inert gas to maintain stability. Available in quantities from grams to kilograms, this product is ideal for researchers in medicinal chemistry, material science, and fine chemical development.

Key Specifications:
• CAS: 90221-55-9
• Molecular Weight: 199.05 g/mol
• Melting Point: 45-48°C
• Storage: 2-8°C under inert atmosphere
• Hazard Codes: Xi (Irritant)

Properties

  • CAS Number: 90221-55-9
  • Complexity: 124
  • IUPAC Name: 2-bromo-5-methyl-benzaldehyde
  • InChI: InChI=1S/C8H7BrO/c1-6-2-3-8(9)7(4-6)5-10/h2-5H,1H3
  • InChI Key: UWGFRLQHWDMILE-UHFFFAOYSA-N
  • Exact Mass: 197.96803
  • Molecular Formula: C8H7BrO
  • Molecular Weight: 199.04
  • SMILES: CC1=CC(=C(C=C1)Br)C=O
  • Topological: 17.1
  • Monoisotopic Mass: 197.96803
  • Synonyms: 2-BROMO-5-METHYLBENZALDEHYDE, 90221-55-9, DTXSID10474354, DTXCID50425168, 691-044-5, MFCD08669550, Benzaldehyde, 2-bromo-5-methyl-, SCHEMBL135760, SCHEMBL3083170, UWGFRLQHWDMILE-UHFFFAOYSA-N, M-tolualdehyde, 6-bromo- (7CI), CL8258, AKOS006238806, CS-W004919, GS-3993, 2-Bromo-5-methylbenzaldehyde, AldrichCPR, SY110421, DB-030831, B5824, EN300-57063, Z871833034

Application

2-Bromo-5-methylbenzaldehyde serves as a key intermediate in the synthesis of bioactive molecules, particularly in the development of PDE4 inhibitors and antimicrobial agents. Its reactive aldehyde group enables facile condensation reactions for heterocycle formation, while the bromo substituent facilitates cross-coupling reactions in scaffold diversification. Researchers utilize this compound in the preparation of liquid crystalline materials and optoelectronic polymers due to its rigid aromatic core.

Safety and Hazards

GHS Hazard Statements

  • H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (50%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (50%): Harmful if inhaled [Warning Acute toxicity, inhalation]

Precautionary Statements

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

Hazard Classes and Categories

  • Skin Irrit. 2 (50%)
  • Eye Irrit. 2 (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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