2,5-Dimethyl-4-nitrofuran-3-carboxylic acid CAS 857821-36-4
| CAS No. | 857821-36-4 |
| Molecular Formula | C7H7NO5 |
| Molecular Weight | 185.13 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.
2,5-Dimethyl-4-nitrofuran-3-carboxylic acid (CAS 857821-36-4), molecular formula C7H7NO5 and molecular weight 185.13 g/mol, is a CATO reference standard with documented purity and traceability.
2,5-Dimethyl-4-nitrofuran-3-carboxylic acid (C7H7NO5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 2,5-Dimethyl-4-nitrofuran-3-carboxylic 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 | C7H7NO5 |
| Molecular Weight | 185.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- Dimethyl oxazole-4,5-dicarboxylate (CAS 72030-81-0)
- 1,2-Dimethyl-4-nitro-1H-imidazole-5-carboxylic acid (CAS 54828-06-7)
- 1,3-Dimethyl-4-nitro-1h-pyrazole-5-carboxylic acid (CAS 3920-37-4)
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Recommended Standards
- 2-(3-Nitrofuran-2-yl)-1,3-dioxolane (CAS 65019-13-8)
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- 1-(Difluoromethyl)-5-(1H-imidazol-5-yl)-1H-1,2,4-triazole (CAS 2845318-36-5)
- 6,8-difluoro-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 865106-47-4)
- 2(1H)-QUINOLINONE, 6-CHLORO-3,4-DIHYDRO-4-METHYL- (CAS 267226-21-1)
- Methyl 4-(1H-1,2,3-triazol-5-yl)benzoate (CAS 796034-28-1)
- 2-Chloro-3-cyclopropoxy-N-methylaniline (CAS 1243286-55-6)
- Ethyl 4-bromo-2-chloro-6-methylbenzoate (CAS 1823870-34-3)
- 3-Oxo-3-phenylpropyl 2-(pyrrolidin-3-yl)acetate (CAS 828259-35-4)
- 1-Fluoro-5-iodo-2,4-dimethoxybenzene (CAS 879288-15-0)
- 4-(2-Pyridyl)phenol (CAS 51035-40-6)
- 3-Ethylpent-1-yne (CAS 21020-26-8)
- Luliconazole impurity 26 (CAS CATO-C4X-285326)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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