2-(7-Methoxy-8-methyl-2-oxo-2h-chromen-4-yl)acetic acid CAS 853749-49-2
| CAS No. | 853749-49-2 |
| Molecular Formula | C13H12O5 |
| Molecular Weight | 248.23 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 2-(7-Methoxy-8-methyl-2-oxo-2h-chromen-4-yl)acetic acid (CAS 853749-49-2), a certified reference material (molecular formula C13H12O5, MW 248.23 g/mol) for analytical method development and quality control.
Structurally, 2-(7-Methoxy-8-methyl-2-oxo-2h-chromen-4-yl)acetic acid (C13H12O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 248.23 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-(7-Methoxy-8-methyl-2-oxo-2h-chromen-4-yl)acetic acid 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 | C13H12O5 |
| Molecular Weight | 248.23 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Methoxy Standards
- 3-Methoxy-4-(4-methyl-furazan-3-ylmethoxy)-benzaldehyde (CAS 1018238-97-5)
- 3-(7-Methoxy-2-oxo-2H-chromen-3-yl)propanoic acid (CAS 1365940-08-4)
- 3-(8-Methoxy-2-oxo-2H-chromen-3-yl)propanoic acid (CAS 1365940-75-5)
- 3-(6-Methoxy-2-oxo-2H-chromen-3-yl)propanoic acid (CAS 1365941-12-3)
- Methyl 1-(2-methoxy-2-oxoethyl)-1H-indazole-5-carboxylate (CAS 1506449-10-0)
- Ethyl 8-methoxy-2-oxo-2H-chromene-3-carboxylate (CAS 1729-02-8)
- Ethyl 4-methoxy-2-oxo-2H-chromene-3-carboxylate (CAS 19723-37-6)
- 1-Methoxy-3-[(4-methylphenyl)methyl]imidazolidine-2,4,5-trione (CAS 320422-97-7)
Recommended Standards
- 2-(7-Methoxy-4-methyl-2-oxo-2h-chromen-3-yl)acetic acid (CAS 82412-17-7)
- 2,2-Dimethyl-5-((pyridin-2-ylamino)methylene)-1,3-dioxane-4,6-dione (CAS 25063-57-4)
- 2-(7-Hydroxy-4,8-dimethyl-2-oxo-2h-chromen-3-yl)acetic acid (CAS 500203-88-3)
- 2,2-Dimethyl-5-((pyridin-3-ylamino)methylene)-1,3-dioxane-4,6-dione (CAS 25063-68-7)
- 1-(1-(3-Phenyl-4H-1,2,4-triazol-4-yl)naphtho[2,1-b]furan-2-yl)ethanone (CAS 650636-62-7)
- 2-amino-2-cyclopropyl-ethanol (CAS 776315-67-4)
- 2-Cyclopropylpiperidine (CAS 383128-00-5)
- Naproxen Impurity 45 (CAS CATO-C4X-170845)
- 1,2,3,4-Tetrahydropyrimido[1,2-α]indole HCl (CAS 42456-83-7)
- 2-(4-Fluorophenoxy)acetyl Chloride (CAS 405-78-7)
- 1-(2-Chloro-3-methyl-4-(methylthio)phenyl)ethanone (CAS 181997-71-7)
- 6-Chloro-1-cyclopropyl-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1784104-51-3)
- Morphine Impurity 1 (CAS 6211-15-0)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com