Methyl 5-formyl-2-methylfuran-3-carboxylate CAS 81661-26-9
| CAS No. | 81661-26-9 |
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Methyl 5-formyl-2-methylfuran-3-carboxylate (CAS 81661-26-9), a certified reference material (molecular formula C8H8O4, MW 168.15 g/mol) for analytical method development and quality control.
The molecular framework of Methyl 5-formyl-2-methylfuran-3-carboxylate (C8H8O4) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Methyl 5-formyl-2-methylfuran-3-carboxylate 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 | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
Related Methyl Standards
- Methyl 2-(5-formyl-1H-imidazol-1-yl)acetate (CAS 1010802-62-6)
- Methyl 3-Formyl-1-methyl-1H-pyrazole-5-carboxylate (CAS 1031351-95-7)
- methyl 5-formyl-3-methylfuran-2-carboxylate (CAS 1245507-43-0)
- Ethyl 5-formyl-1H-imidazole-4-carboxylate (CAS 137159-36-5)
- Methyl 5-formyl-1-methyl-1H-pyrazole-4-carboxylate (CAS 1518469-18-5)
- Ethyl 4-formyl-1H-pyrazole-5-carboxylate (CAS 179692-09-2)
- 5-Formyl-2,4-dimethoxypyrimidine (CAS 52606-02-7)
- 5-Formyl-N,N-dimethylisoxazole-3-carboxamide (CAS 220780-30-3)
Recommended Standards
- Methyl 5-formyl-1-methyl-1H-imidazole-2-carboxylate (CAS 944900-81-6)
- Methyl 5-methoxypyrimidine-4-carboxylate (CAS 64224-66-4)
- Methyl 5-amino-6-oxo-1,6-dihydropyridine-3-carboxylate (CAS 222970-60-7)
- Methyl 5-methyl-3-oxo-3,4-dihydropyrazine-2-carboxylate (CAS 859064-08-7)
- 4-(2,4-Difluorobenzoyl)quinoline (CAS 1706450-34-1)
- 5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazole-3-carboxylic acid (CAS 503469-95-2)
- Rhein- (CAS 1330166-42-1)
- 1-(6-(tert-Butylthio)-4-methylpyridin-3-yl)propan-1-amine (CAS 1355200-14-4)
- (S)-2-Amino-2-(2,4-dichlorophenyl)ethanol (CAS 1213088-91-5)
- 17-(Fmoc-amino)-5-oxo-6-aza-3,9,12,15-tetraoxaheptadecanoic Acid (CAS 489427-26-1)
- 4-Ethyl-n-methyl-1,3-thiazol-2-amine (CAS 167684-00-6)
- Tert-butyl 6-acetyl-1,4-oxazepane-4-carboxylate (CAS 2138261-93-3)
- 4,6-Dimethyl-2-thioxo-1,2-dihydropyridine-3-carbonitrile (CAS 54585-47-6)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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