1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxamide CAS 64941-79-3
| CAS No. | 64941-79-3 |
| Molecular Formula | C9H5NO4 |
| Molecular Weight | 191.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 191.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxamide (CAS 64941-79-3), a certified reference material (molecular formula C9H5NO4, MW 191.14 g/mol) for analytical method development and quality control.
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 manufactures 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxamide 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 | C9H5NO4 |
| Molecular Weight | 191.14 g/mol |
| Appearance | Pale yellow to 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 |
| 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.) | 1975 |
| Nitrogen Atoms | 1 |
Related Dioxo Standards
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- 1,1-dioxo-1$l^{6}-benzothiophene-5-carbonitrile (CAS 1394040-24-4)
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- 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)cyclopentane-1-carbonitrile (CAS 1251251-92-9)
- 2,3-Dioxo-1,2,3,4-tetrahydroquinoxaline-6-carbaldehyde (CAS 69722-54-9)
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Recommended Standards
- 1-(Difluoromethyl)-3,5-dimethyl-4-nitro-1h-pyrazole (CAS 882236-15-9)
- 1,3-Dioxoisoindoline-4-carboxylic acid (CAS 776-22-7)
- [1,3]Dioxolo[4',5':4,5]benzo[1,2-d]oxazole-6-carbaldehyde (CAS 933688-29-0)
- 2-(2-Nitrophenyl)-1,3,4-oxadiazole (CAS 89898-92-0)
- 3,6-Bis(dimethylamino)-9H-thioxanthen-9-one (CAS 7031-01-8)
- 3-Iodo-2H-pyrazolo[4,3-b]pyridin-6-amine (CAS 1352393-59-9)
- 2-Cyclobutoxypyridin-3-amine (CAS 1247347-64-3)
- tert-Butyl 7'-oxo-6',7'-dihydrospiro[azetidine-3,5'-pyrrolo[1,2-b][1,2,4]triazole]-1-carboxylate (CAS 2126160-84-5)
- 5-Methoxy-2-(pyridin-2-yl)-4-{[3-(trifluoromethyl)phenyl]sulfanyl}pyrimidine (CAS 321432-99-9)
- 4-Chloro-N-(4-(N-phenethylsulfamoyl)phenyl)benzenesulfonamide (CAS 606922-74-1)
- Fructo-oligosaccharide (CAS 308066-66-2)
- METHYL-L-HISTIDINE, 3- (CAS 289698-35-7)
- 2-Amino-n,5-dimethylbenzamide (CAS 34810-84-9)
- Insulin Degludec Impurity 24 (CAS CATO-C4X-215724)
Why CATO?
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