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Benzoxazines

Organic heterocyclic compounds that consist of benzene fused with an oxazines; oxazines are a six-membered ring with four carbon atoms, one oxygen atom, and one nitrogen atom.

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1

Aat Bioquest Fluorescein, disodium salt [CAS 518-47-8]
SDP

Fluorescein, disodium salt is water-soluble version of fluorescein (see product #1).

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2

Medchemexpress LLC Resorufin | 635-78-9 | MFCD00128991 | 98.9% | 213.19 g/mol | C12H7NO3 | 50MG
SDP

Resorufin is a highly fluorescent red-pink dye and probe used in biochemical and cell-based assays to detect reactive oxygen and nitrogen species and to report enzymatic activity. It is water-soluble, exhibits red-shifted absorption and emission, and commonly serves as the fluorescent product in assay chemistries.

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3

Medchemexpress LLC Resorufin sodium salt | 34994-50-8 | MFCD00005037 | 99.6% | 235.17 g/mol | C12H6NNaO3 | 10MM 1ML
SDP

Resorufin sodium salt is a water-soluble fluorescent dye and redox indicator used in fluorescence-based assays, reactive oxygen/nitrogen species detection, and as a calibration standard for resorufin-derived substrates. It is available as a solid and as pre-prepared 10 mM solutions for convenient use in biochemical workflows.

  • Highly fluorescent red-emitting dye suitable for fluorescence assays.
  • Water-soluble sodium salt; available as solid and 10 mM solutions.
  • Useful as a redox indicator and probe for ROS/RNS detection.
  • Suitable as a calibration standard for resorufin-derived enzyme substrates.
  • High purity (99.6%) with molecular weight 235.17 g/mol.

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4

Medchemexpress LLC Resorufin | 635-78-9 | 98.9% | 213.19 g/mol | C12H7NO3 | 500MG
SDP

Resorufin (CAS 635-78-9) is a highly fluorescent pink dye used as a reporter for reactive oxygen and nitrogen species and as a redox/enzymatic assay indicator. It is water-soluble, exhibits red-shifted absorption and emission suitable for fluorescence-based detection and staining, and is supplied as a high-purity solid with recommended storage to protect light-sensitive samples.

  • Highly fluorescent pink dye for ROS/RNS detection.
  • Water-soluble with red-shifted absorption and emission.
  • High purity (98.9%) suitable for analytical applications.
  • Available in multiple packaging sizes, including 500 mg for larger-scale use.
  • Store protected from light at 4°C; in solvent store at -80°C for long-term stability.

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5

Medchemexpress LLC Resorufin | 635-78-9 | MFCD00128991 | 98.9% | 213.19 | C12H7NO3 | 5MG
SDP

Resorufin is a highly fluorescent pink dye used as a probe for detection of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in biochemical and cell-based assays. It is water-soluble, photostable, and exhibits red-shifted optical properties, making it suitable for fluorescence measurements with excitation near 571 nm and emission near 584 nm. The compound is supplied as a solid with high chemical purity.

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6

Medchemexpress LLC Resorufin | 635-78-9 | MFCD00128991 | 98.9% | 213.19 g/mol | C12H7NO3 | 10MG
SDP

Resorufin is a highly fluorescent pink dye used as a probe for detecting reactive oxygen species (ROS) and reactive nitrogen species (RNS) in biochemical and cell-based assays. It exhibits red-shifted absorption and emission and is supplied as a solid for laboratory use.

  • Highly fluorescent dye suitable for ROS and RNS detection.
  • Water-soluble with red-shifted absorption and emission properties.
  • Applicable as a fluorescent standard or probe in enzyme and cell assays.
  • Supplied as a solid with brown to black appearance for convenient storage.
  • Stable when stored protected from light; follow recommended storage conditions.
  • Available in small research quantities suitable for assay development.

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7

Medchemexpress LLC Resorufin | 635-78-9 | MFCD00128991 | 98.9% | 213.19 g/mol | C12H7NO3 | 1G
SDP

Resorufin is a highly fluorescent pink dye used as a fluorometric reporter for detecting reactive oxygen species (ROS) and reactive nitrogen species (RNS). It is water-soluble and exhibits red-shifted excitation/emission, making it suitable as a standard or indicator in fluorescence-based assays.

  • Highly fluorescent pink dye for ROS/RNS detection.
  • Excitation 571 nm; emission 584 nm.
  • Molecular formula C12H7NO3; molecular weight 213.19 g/mol.
  • Purity 98.9% (as provided).
  • Solid, brown to black; protect from light during storage.
  • Storage guidance: 4°C short term; in solvent -80°C for 6 months or -20°C for 1 month.
  • Available in 1 g packaging suitable for research use.

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