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232270 Sigma-Aldrich

3-Amino-5-methylisoxazole

≥97%

Synonym: 5-Methyl-3-isoxazolamine, NSC 159134

  • CAS Number 1072-67-9

  • Empirical Formula (Hill Notation) C4H6N2O

  • Molecular Weight 98.10

  •  Beilstein/REAXYS Number 108110

  •  EC Number 214-013-6

  •  MDL number MFCD00003155

  •  PubChem Substance ID 24853889

  •  NACRES NA.22

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Properties

Related Categories Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks, Isoxazoles
Quality Level   200
assay   ≥97%
mp   59-61 °C (lit.)
SMILES string   Cc1cc(N)no1
InChI   1S/C4H6N2O/c1-3-2-4(5)6-7-3/h2H,1H3,(H2,5,6)
InChI key   FKPXGNGUVSHWQQ-UHFFFAOYSA-N

Description

General description

3-Amino-5-methylisoxazole is the major intermediate formed during sulfamethoxazole biodegradation by Pseudomonas psychrophila strain HA-4. It is the intermediate formed during the photocatalytic degradation of sulfamethoxazole (SMX).

Application

3-Amino-5-methylisoxazole was used in synthesis of:
• naphtho[1,2-e][1,3]oxazines
• series of 1-aryl-4-methyl-3,6-bis-(5-methylisoxazol-3-yl)-2-thioxo-2,3,6,10b-tetrahydro-1H-pyrimido[5,4-c]quinolin-5-ones, having potential mosquito larvicidal activity
• hydroxylamines of sulfadiazine and sulfamethoxazole

Packaging

50 g in poly bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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