5-(2-Methoxy-4-nitrophenyl)furan-2-carbonyl chloride CAS 443123-41-9
| CAS No. | 443123-41-9 |
| Molecular Formula | C12H8ClNO5 |
| Molecular Weight | 281.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 281.65 g/mol gives 5-(2-Methoxy-4-nitrophenyl)furan-2-carbonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(2-Methoxy-4-nitrophenyl)furan-2-carbonyl chloride (CAS 443123-41-9) is a high-purity analytical reference standard with the molecular formula C12H8ClNO5 and a molecular weight of 281.65 g/mol.
Structurally, 5-(2-Methoxy-4-nitrophenyl)furan-2-carbonyl chloride (C12H8ClNO5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 281.65 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(2-Methoxy-4-nitrophenyl)furan-2-carbonyl chloride 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 | C12H8ClNO5 |
| Molecular Weight | 281.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- 1-Benzyl-4-(2-methoxy-phenyl)-1,2,3,6-tetrahydro-pyridine (CAS 113411-59-9)
- (S)-5-Methoxy-N-((R)-1-phenylethyl)-1,2,3,4-tetrahydronaphthalen-2-amine (CAS 1403690-99-2)
- N-(2-Methoxy-2-(5-methylthiophen-2-yl)ethyl)thiophene-3-carboxamide (CAS 1448058-41-0)
- 2-(5-Methoxy-3H-indol-3-yl)-N-(pyridin-3-ylmethyl)ethan-1-amine (CAS 1089343-45-2)
- 2-Ethyl-5-methoxy-3-(4-methoxyphenyl)-1H-indole (CAS 91444-15-4)
- 1-Benzyl-4-methoxy-1h-indole-2-carboxylic acid (CAS 1048660-06-5)
- 2-(2-Methoxy-5-methylphenyl)-1H-indole-3-carboxylic acid (CAS 1082289-73-3)
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Recommended Standards
- 5-((2-Nitrophenoxy)methyl)furan-2-carbonyl chloride (CAS 861439-34-1)
- 5-(Carboxymethyl)-1-(4-chlorophenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 439095-10-0)
- 4-[(4-chloro-3-nitro-1h-pyrazol-1-yl)methyl]benzoic acid (CAS 312601-70-0)
- 5-[(4-chloro-2-nitrophenoxy)methyl]furan-2-carbaldehyde (CAS 438221-71-7)
- 2-Propylbenzimidazole (CAS 5465-29-2)
- 4-Bromo-N,N-dimethylaniline (CAS 586-77-6)
- (4aS,7aR)-octahydrocyclopenta[b][1,4]oxazine hydrochloride (CAS 1147112-78-4)
- 2-Bromo-4-chloro-6-fluorobenzenethiol (CAS 1208076-60-1)
- 2-Phenyl-1-[5-(1-{[3-(trifluoromethyl)pyridin-2-yl]sulfanyl}ethyl)-1H-pyrazol-1-yl]ethan-1-one (CAS 1211305-28-0)
- Baloxavir Marboxil Impurity 191 (CAS 1820002-36-5)
- 2-[(9aR)-2-[(1-tert-butoxycarbonyl-4-piperidyl)methyl]-1,3,4,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-8-yl]acetic acid (CAS 262289-86-1)
- methyl (2R)-2-(4-bromopyrazol-1-yl)propanoate (CAS 877399-68-3)
- Phenyltrimethylammonium bromide (CAS 16056-11-4)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
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