3-ethoxy-4-nitrophenol CAS 64635-54-7
| CAS No. | 64635-54-7 |
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-ethoxy-4-nitrophenol (C8H9NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 183.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3-ethoxy-4-nitrophenol (CAS 64635-54-7), a certified reference material (molecular formula C8H9NO4, MW 183.16 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 3-ethoxy-4-nitrophenol 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 | C8H9NO4 |
| Molecular Weight | 183.16 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, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
Related ethoxy Standards
- 4-Ethoxy-5-nitropyridin-2-amine (CAS 137807-37-5)
- 4-Ethoxy-3-nitrophenol (CAS 1394969-99-3)
- 5-Ethoxy-2-nitrophenol (CAS 857629-22-2)
- 5-Ethoxy-2-nitropyridin-3-amine (CAS 2751444-06-9)
- 6-Ethoxy-3-nitropyridin-2-amine (CAS 40851-82-9)
- 3-Ethoxy-2,4-difluorobenzonitrile (CAS 1017778-32-3)
- 4-Ethoxy-3,5-difluorobenzonitrile (CAS 1017779-27-9)
- 2-Ethoxy-3,5-difluorobenzonitrile (CAS 1017779-80-4)
Recommended Standards
- 3-Butenoic acid, 2,5-dioxo-1-pyrrolidinyl ester (CAS 388091-45-0)
- 3-Ethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 2757324-63-1)
- 3-Amino-5-hydroxy-4-methoxybenzoic acid (CAS 80547-66-6)
- 3-Hydroxy-4,5-bis(hydroxymethyl)picolinaldehyde (CAS 49797-76-4)
- 4-Bromo-N-(4-bromo-3-methylphenyl)benzamide (CAS 330467-90-8)
- 2-Amino-6-borono-2-(1-(2,4-dichlorobenzyl)piperidin-4-yl)hexanoic acid (CAS 1345810-21-0)
- (2-Methylindolizine-3-carbonyl)phosphoramidic dichloride (CAS 885457-12-5)
- Ethyl 5-(aminomethyl)spiro[2.3]hexane-5-carboxylate (CAS 1498629-39-2)
- tert-Butyl (2-chloro-4-(trifluoromethyl)thiophen-3-yl)carbamate (CAS 2732241-85-7)
- 1-(1-(4-Chlorophenyl)-1-phenylbut-3-yn-1-yl)-1H-imidazole (CAS 88557-56-6)
- 5-Methoxy-3-methylpicolinaldehyde (CAS 1256813-09-8)
- Methyl rel-(1R,2S,5S)-3-azabicyclo[3.1.0]hexane-2-carboxylate (CAS 927800-07-5)
- 2'-Methoxy-2-methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 1537282-96-4)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com