7-(((2R,3S,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-phenoxazin-3-one CAS 125440-92-8
| CAS No. | 125440-92-8 |
| Molecular Formula | C18H17NO8 |
| Molecular Weight | 375.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 7-(((2R,3S,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-phenoxazin-3-one (CAS 125440-92-8), a certified reference material (molecular formula C18H17NO8, MW 375.33 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H17NO8, 7-(((2R,3S,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-phenoxazin-3-one contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 375.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 7-(((2R,3S,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-phenoxazin-3-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H17NO8 |
| Molecular Weight | 375.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-3-4-6-Tetra-O-acetyl-β-D-galactopyranosyl formamide (CAS 108739-88-4)
- 7-(((2R,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-phenoxazin-3-one (CAS 136565-96-3)
- Resorufin β-D-glucopyranoside (CAS 101490-85-1)
- 143130-93-2 2-(2-((6-(2-Cyanophenoxy)pyrimidin-4-yl)oxy)phenyl)-2-oxoacetic Acid Methyl Ester (CAS 143130-93-2)
- 3-Methylbenzofuran-5-ol (CAS 7182-21-0)
- (S)-4-Oxaspiro[2.5]octan-6-ol (CAS 2708342-16-7)
- 2-(2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)hydrazinyl)-2-oxoacetamide (CAS 477852-78-1)
- (E)-7-styryl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 91823-31-3)
- Ethylisothiazolidine-3-carboxylate1,1-dioxide (CAS 1253789-57-9)
- 2-((3,5-Di-tert-butyl-2-hydroxyphenyl)amino)benzoic acid (CAS 953018-05-8)
- (5Z)-5-[(2Z)-2-(6-ethoxy-1-methylquinolin-2(1H)-ylidene)ethylidene]-8-oxo-5,8-dihydroquinolinium (CAS 6759-90-6)
- 3-Methyl-2-(propylamino)butanamide (CAS 1247740-03-9)
- 3-Chloro-[1,1'-biphenyl]-2-ol (CAS 85-97-2)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
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