1,4-Dimethoxy-2-nitrobenzene CAS 89-39-4
| CAS No. | 89-39-4 |
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Dimethoxy-2-nitrobenzene (CAS 89-39-4) is a high-purity analytical reference standard with the molecular formula C8H9NO4 and a molecular weight of 183.16 g/mol.
Based on its molecular formula C8H9NO4, 1,4-Dimethoxy-2-nitrobenzene 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 183.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 1,4-Dimethoxy-2-nitrobenzene 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.) | 1957 |
| Nitrogen Atoms | 1 |
Related Dimethoxy Standards
- 1,2-Dimethoxy-3-nitrobenzene (CAS 116668-84-9)
- 1,3-DImethoxy-5-nitrobenzene (CAS 16147-07-2)
- 1,3-Dimethoxy-2-nitrobenzene (CAS 6665-97-0)
- 2,4-Dimethoxy-1-nitrobenzene (CAS 4920-84-7)
- 2,6-Dimethoxy-3-(methoxymethyl)pyridine (CAS 129319-25-1)
- 3-(2,5-Dimethoxy-2,5-dihydrofuran-2-yl)propanenitrile (CAS 1706431-26-6)
- 2,6-Dimethoxy-5-methylpyridine-3-methanol (CAS 1879026-22-8)
- 2,2-dimethoxy-2-(pyridin-4-yl)ethan-1-ol (CAS 96994-64-8)
Recommended Standards
- 1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 38009-11-9)
- 1-MEthoxymethoxy-3-nitro-benzene (CAS 25458-48-4)
- 2-(((5-Methylfuran-2-yl)methyl)amino)-2-oxoacetic acid (CAS 934489-49-3)
- 1,3-Diacetylpyrrolidine-2,4-dione (CAS 307925-22-0)
- 1,4-Dioxa-spiro[4.5]dec-8-yl)-acetic acid (CAS 134136-04-2)
- 3-(Bromodifluoromethyl)-1-methyl-1H-pyrazole (CAS 2060041-54-3)
- 4-[2-(Trifluoromethyl)phenyl]-2-pyrrolidinone (CAS 1020718-46-0)
- 3-[(1R,2R)-2-(Hydroxymethyl)-1H,2H,3H-naphtho[2,1-b]pyran-1-yl]-3-methyl-1-[3-(trifluoromethyl)phenyl]thiourea (CAS 321574-22-5)
- Methyl 4-((tert-butoxycarbonyl)amino)-2,6-difluorobenzoate (CAS 129589-63-5)
- Atosiban Acetate (CAS 914453-95-5)
- tert-Butyl N-(3-methylazetidin-3-yl)-N-(methyl)carbamate (CAS 943060-83-1)
- (S)-2,5-Dioxopyrrolidin-1-yl 2-(((benzyloxy)carbonyl)amino)-4-(methylthio)butanoate (CAS 3392-01-6)
- 4,6-dichloro-8-oxa-3,5-diazatricyclo[7.4.0.0²,⁷]trideca-1(13),2(7),3,5,9,11-hexaene (CAS 160199-95-1)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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