3-Methoxy-1-methyl-5-nitropyridin-2(1H)-one CAS 1935284-18-6
| CAS No. | 1935284-18-6 |
| Molecular Formula | C7H8N2O4 |
| Molecular Weight | 184.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Methoxy-1-methyl-5-nitropyridin-2(1H)-one 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.
3-Methoxy-1-methyl-5-nitropyridin-2(1H)-one (CAS 1935284-18-6), molecular formula C7H8N2O4 and molecular weight 184.15 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Methoxy-1-methyl-5-nitropyridin-2(1H)-one (C7H8N2O4) 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 184.15 g/mol, it falls into the medium-molecular-weight range. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O4 |
| Molecular Weight | 184.15 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, water |
| 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.) | 1996 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
- 6-Methoxy-N-methyl-5-nitropyrimidin-4-amine (CAS 100114-07-6)
- 5-Methoxy-2-methyl-4-nitropyridine 1-oxide (CAS 102625-91-2)
- 1-(2-Methoxy-2-oxoethyl)-1h-pyrazole-3-carboxylic acid (CAS 1172800-52-0)
- (5-Methoxy-6-nitropyridin-2-yl)methanol (CAS 1378656-75-7)
- 2-(2-methoxy-2-oxoethyl)furan-3-carboxylic acid (CAS 1479004-17-5)
- 2-(3-Methoxy-2-oxopyrazin-1(2H)-yl)acetic acid (CAS 1708401-62-0)
- (4-Methoxy-6-methyl-1,3,5-triazin-2-yl)carbamic acid (CAS 336193-82-9)
- Methoxy(3-nitropyridin-2-yl)methanol (CAS 200933-25-1)
Recommended Standards
- 3-Ethoxy-4-nitropyridine 1-oxide (CAS 19349-73-6)
- 4-(Methoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1946823-86-4)
- (S)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-amine (CAS 187235-66-1)
- (2,4-Dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl acetate (CAS 98277-03-3)
- Pyridine-2-sulfonyl chloride hydrochloride (CAS 111480-84-3)
- 1-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-one (CAS 76413-99-5)
- 3-Hydroxybenzo[b]thiophene 1,1-dioxide (CAS 61670-15-3)
- 2-Iodo-5-methoxypyrazine (CAS 942624-06-8)
- 2,6-Dichloro-3-fluorobenzoic acid (CAS 178813-78-0)
- Ethyl 3-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)propanoate (CAS 247573-03-1)
- 2-Amino-3-cyclopropylpropanoic acid (CAS 15785-52-1)
- 2-[5-methyl-2-(thiophen-2-yl)-1,3-oxazol-4-yl]acetonitrile (CAS 403611-87-0)
- 7-Chloro-1-methylimidazo[2,1-b]quinazolin-5(1H)-one (CAS 61689-18-7)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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