2-Amino-4-(2,5-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile CAS 876709-89-6
| CAS No. | 876709-89-6 |
| Molecular Formula | C18H16N2O6 |
| Molecular Weight | 356.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-4-(2,5-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile (CAS 876709-89-6), molecular formula C18H16N2O6 and molecular weight 356.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H16N2O6, 2-Amino-4-(2,5-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile 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 356.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 2-Amino-4-(2,5-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile 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 | C18H16N2O6 |
| Molecular Weight | 356.33 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 2-Amino-4-(2,3-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile (CAS 674805-35-7)
- 2-Amino-4-(2,4-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4H,8H-pyrano[3,2-b]pyran-3-carbonitrile (CAS 876709-84-1)
- 2-Amino-4-(3,5-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4H,8H-pyrano[3,2-b]pyran-3-carbonitrile (CAS 876709-87-4)
- Ethyl 2-amino-7-hydroxy-4-(4-nitrophenyl)-4H-chromene-3-carboxylate (CAS 374102-08-6)
- 3-Amino-6-methyl-N-(3-methylisoxazol-5-yl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 924832-21-3)
- Methyl 3-amino-6-(5-methylfuran-2-yl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylate (CAS 625377-65-3)
- N'-{6-amino-5-hydroxy-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-7-yl}benzohydrazide (CAS 489434-43-7)
- Benzyl 4-(2-amino-4-fluoro-5-nitrophenyl)-2,2-dimethylbut-3-ynoate (CAS 1225589-66-1)
Recommended Standards
- 6-(Methylamino)-4-oxo-10-propyl-4H-pyrano[3,2-g]quinoline-2,8-dicarboxylic acid (CAS 85118-44-1)
- 2,5-Dioxopyrrolidin-1-yl 4-(4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl)butanoate (CAS 79886-55-8)
- Bufrolin (CAS 54867-56-0)
- 2-(4-Morpholino-3-nitrobenzoyl)benzoic acid (CAS 403668-52-0)
- Methyl 2,3,3-trimethyloxirane-2-carboxylate (CAS 3291-61-0)
- 8-methyl-3,4-dihydro-2H-1-benzopyran-3-amine hydrochloride (CAS 1803601-90-2)
- 3-Bromo-2-methylbenzotrifluoride (CAS 69902-83-6)
- (((2-Iodo-1,3-phenylene)bis(oxy))bis(methylene))dibenzene (CAS 888968-41-0)
- 3-Amino-1-(thiophen-3-yl)propan-1-ol (CAS 1386398-79-3)
- Neodymium-iron-boron alloy 30/150 (CAS 918106-59-9)
- 4-Chloro-5-(pyridin-4-yl)pyrimidine (CAS 1598739-19-5)
- 4,4-Dimethyl-2-(3-methylpyridin-2-yl)-4,5-dihydrooxazole (CAS 525602-12-4)
- 1-(4-((6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl)methyl)phenyl)-3-(4-(dimethylamino)phenyl)urea (CAS 1024361-27-0)
- [D-Ser6]-Semaglutide (CAS CATO-C4X-2226287)
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