Determine the necessary mass, volume, or concentration for preparing a solution.
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Moligand™, ≥98% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Questiomycin A is a phenoxazine produced by several|Streptomyces|species and some fungi and bacteria. Questiomycin A is weakly active against bacteria, fungi, plants and tumour cell lines, and inhibits aromatase and sulfatases. Questiomycin, like other phenoxazines, stimulates cell growth and turnover|in vitro|, an activity possibly related to their ability to form stable free radicals. More recently, questiomycin A has been shown to inhibit pulmonary metastasis caused by mouse melanoma cells. Questiomycin A and related phenoxazines are important dereplication standards in discovery research to eliminate leads due to high amounts of weakly potent actives.
| pKa | pKₐ: 2.73 (Predicted) |
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| Sonrisas canónicas | C1=CC=C2C(=C1)N=C3C=C(C(=O)C=C3O2)N |
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| IUPAC Name | 2-aminophenoxazin-3-one |
| InChIKey | RDJXPXHQENRCNG-UHFFFAOYSA-N |
| INCHI | 1S/C12H8N2O2/c13-7-5-9-12(6-10(7)15)16-11-4-2-1-3-8(11)14-9/h1-6H,13H2 |
| Isómeros SMILES | C1=CC=C2C(=C1)N=C3C=C(C(=O)C=C3O2)N |
| RTECS | SP76950000 |
| Peso molecular | 212.20 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Clase | Benzoxazines |
| Subclass | Phenoxazines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Phenoxazines |
| Alternative Parents | Benzenoids Heteroaromatic compounds Cyclic ketones Oxacyclic compounds Azacyclic compounds Primary amines Organopnictogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Phenoxazine - Benzenoid - Heteroaromatic compound - Cyclic ketone - Azacycle - Oxacycle - Amine - Organopnictogen compound - Organic oxygen compound - Primary amine - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteropolycyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as phenoxazines. These are polycyclic aromatic compounds containing a phenoxazine moiety, which is a linear tricyclic system that consists of a two benzene rings joined by a 1,4-oxazine ring. |
| External Descriptors | a small molecule |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 | |
| Certificate of Analysis | Dec 10, 2024 | Q329462 |
| Solubilidad | Soluble in ethanol, methanol, DMF and DMSO. Limited water solubility. |
|---|---|
| Índice de refracción | n20D1.72 (Predicted) |
| Punto de ebullición (°C) | ~362.0° C at 760 mmHg (Predicted) |
| Punto de fusión (°C) | 144.37° C (Predicted) |
| Peso molecular | 212.200 g/mol |
| XLogP3 | 1.000 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 212.059 Da |
| Monoisotopic Mass | 212.059 Da |
| Topological Polar Surface Area | 64.700 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 434.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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