Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate CAS 215659-03-3
| CAS No. | 215659-03-3 |
| Molecular Formula | C9H9NO6 |
| Molecular Weight | 227.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate (CAS 215659-03-3), molecular formula C9H9NO6 and molecular weight 227.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate (C9H9NO6) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 227.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H9NO6 |
| Molecular Weight | 227.17 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-(4-Hydroxy-3-methoxy-5-nitrophenyl)acetic acid (CAS 88516-84-1)
- 2-Hydroxy-2-(4-methoxy-3-nitrophenyl)acetic acid (CAS 90564-43-5)
- 3-Hydroxy-2,4-dimethoxy-6-nitrobenzaldehyde (CAS 886504-01-4)
- Methyl 2-hydroxy-4-methoxy-5-nitrobenzoate (CAS 723284-34-2)
- Methyl 2-Hydroxy-5-methoxy-3-nitrobenzoate (CAS 2888-09-7)
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- Methyl 4-hydroxy-3-methoxy-5-nitrobenzoate (CAS 42590-00-1)
- Methyl 4-Hydroxy-5-methoxy-2-nitrobenzoate (CAS 27883-60-9)
Recommended Standards
- 4,5-Dimethoxy-2-nitrobenzoic Acid (CAS 4998-07-6)
- Nicorandil N-Oxide (CAS 107833-98-7)
- Nicorandil Impurity 7 (CAS 113743-17-2)
- 2-(2,4-dinitroanilino)ethanol (CAS 1945-92-2)
- 6-(4-Fluorophenyl)-5-(pyridin-4-yl)-2,3-dihydroimidazo[2,1-b]thiazole (CAS 72873-74-6)
- Ethyl 5-chloro-2-ethoxypyridine-3-carboxylate (CAS 1310416-61-5)
- 2-Methyl-6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine (CAS 946505-88-0)
- 4-((2,2,3,3,4,4,5,5-Octafluoropentyl)oxy)phthalonitrile (CAS 121068-03-9)
- n-(2,6-Difluorobenzyl)propan-1-amine (CAS 62924-68-9)
- 4-Cyano-5-difluoromethoxy-2-mercaptophenylacetic acid (CAS 1805659-90-8)
- 5-Bromodihydrouracil (CAS 1193-76-6)
- Enalapril EP Impurity A Maleate (CAS 1356932-13-2)
- 4-Pentylcyclohexanol (CAS 54410-90-1)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
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