4-Methoxybenzyl 6-methoxy-2H-chromene-3-carboxylate CAS 338760-84-2
| CAS No. | 338760-84-2 |
| Molecular Formula | C19H18O5 |
| Molecular Weight | 326.34 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.
4-Methoxybenzyl 6-methoxy-2H-chromene-3-carboxylate (CAS 338760-84-2), molecular formula C19H18O5 and molecular weight 326.34 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H18O5, 4-Methoxybenzyl 6-methoxy-2H-chromene-3-carboxylate contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 326.34 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).
CATO manufactures 4-Methoxybenzyl 6-methoxy-2H-chromene-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H18O5 |
| Molecular Weight | 326.34 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.) | 2025 |
Related Methoxybenzyl Standards
- 4-Methoxybenzyl 8-methoxy-2H-chromene-3-carboxylate (CAS 338420-70-5)
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- n-(4-Methoxybenzyl)-2-nitro-4-(trifluoromethyl)aniline (CAS 150493-77-9)
- 3-((3-Methoxybenzyl)thio)-5-(p-tolyl)-4H-1,2,4-triazol-4-amine (CAS 679811-48-4)
- 3,3-Bis(4-methoxybenzyl)pent-4-en-1-ol (CAS 1384881-63-3)
- 3,3-Bis(3-methoxybenzyl)pent-4-en-1-ol (CAS 1384881-67-7)
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Recommended Standards
- 4-Carboethoxy-3-(1,3-dioxolan-2-yl)benzophenone (CAS 898779-06-1)
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- Di-tert-butyl 5-methyl-2,4-dioxopyrimidine-1,3(2H,4H)-dicarboxylate (CAS 917081-58-4)
- 3-Carboethoxy-3-(1,3-dioxolan-2-yl)benzophenone (CAS 898779-03-8)
- 5F-AMB (CAS 1801552-03-3)
- (R)-(1,2,3,4-tetrahydroisoquinolin-3-yl)methanamine (CAS 1187932-41-7)
- Maleuric acid (CAS 105-61-3)
- Ozanimod Impurity 31 (CAS CATO-C4X-290231)
- 3-Bromo-4-hydroxybenzenesulfonyl chloride (CAS 1055325-23-9)
- Ethyl 2-naphthoate (CAS 3007-91-8)
- n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-3-nitro-4-{[(pyridin-3-yl)methyl]amino}benzene-1-sulfonamide (CAS 763090-97-7)
- 5-Chloro-2-iodo-3-methylaniline (CAS 1150617-63-2)
- 2-(5-Bromo-2-fluorophenyl)-2-(methylamino)acetamide (CAS 1218352-01-2)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
Why CATO?
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