4-(Aminomethylene)benzofuran-5(4H)-one CAS 64758-66-3
| CAS No. | 64758-66-3 |
| Molecular Formula | C9H7NO2 |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 4-(Aminomethylene)benzofuran-5(4H)-one (CAS 64758-66-3), a certified reference material (molecular formula C9H7NO2, MW 161.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7NO2, 4-(Aminomethylene)benzofuran-5(4H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 161.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H7NO2 |
| Molecular Weight | 161.16 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 |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
Related Aminomethylene Standards
- 2-(Aminomethylene)benzofuran-3(2H)-one (CAS 55136-19-1)
- 5-(Aminomethylene)-3-methyl-2-thioxothiazolidin-4-one (CAS 73855-56-8)
- 3-(Aminomethylene)-1,3-dihydro-2H-indole-2-thione (CAS 212390-47-1)
- Methyl 2-(aminomethylene)-3-oxobutanoate (CAS 113481-03-1)
- 2-(Aminomethylene)-1,3-cyclohexanedione (CAS 16615-44-4)
- (Z)-4-(Aminomethylene)-3-phenylisoxazol-5(4H)-one (CAS 112532-07-7)
- 3-(Aminomethylene)-2H-1-benzopyran-2,4(3H)-dione (CAS 1189755-26-7)
- (Aminomethylene)bis(phosphonic acid) (CAS 29712-28-5)
Recommended Standards
- 4-(5-Tetrazolyl)aniline (CAS 46047-18-1)
- 4-(azidomethyl)-1-methyl-1H-pyrrole-2-carbonitrile (CAS 590409-83-9)
- 4-(4H-1,2,4-Triazol-4-yl)phenol (CAS 98581-86-3)
- 4-(Cyanomethyl)benzoic Acid (CAS 50685-26-2)
- 2-(4-Carbamimidoylphenyl)acetic acid (CAS 39244-83-2)
- Methyl 2,3-dihydrobenzofuran-6-carboxylate (CAS 1083168-68-6)
- 4-Chloro-1-(2-chloro-4-fluorobenzyl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 956395-96-3)
- 4-Iodo-2,3-dihydro-1H-indole hydrochloride (CAS 1187929-37-8)
- 1-(3-Chloro-4-methylphenyl)-1H-pyrrole-2-carboxylic acid (CAS 952958-69-9)
- (4-Ethoxy-1-ethyl-2-oxo-1,2-dihydropyrimidin-5-yl)boronic acid (CAS 213971-10-9)
- Fingolimod Impurity 16 (CAS 1404433-87-9)
- (2R,3R,4R,5R)-2-(6-Amino-2-chloro-9H-purin-9-yl)-5-(hydroxymethyl)-3-methyltetrahydrofuran-3,4-diol (CAS 205171-11-5)
- N-[(7R)-6,7-Dihydro-5-[(4-methoxyphenyl)methyl]-6-oxo-5H-dibenz[b,d]azepin-7-yl]-carbamic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl ester (CAS 1083065-09-1)
- Acetyl-(Leu28·31)-Neuropeptide Y (24-36) (CAS 155709-24-3)
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