4-(Methylamino)-3-nitro-1,5-naphthyridin-2(1H)-one CAS 882651-36-7
| CAS No. | 882651-36-7 |
| Molecular Formula | C9H8N4O3 |
| Molecular Weight | 220.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(Methylamino)-3-nitro-1,5-naphthyridin-2(1H)-one (C9H8N4O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 220.18 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).
4-(Methylamino)-3-nitro-1,5-naphthyridin-2(1H)-one (CAS 882651-36-7), molecular formula C9H8N4O3 and molecular weight 220.18 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-(Methylamino)-3-nitro-1,5-naphthyridin-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.
Physical & Chemical Properties
| Molecular Formula | C9H8N4O3 |
| Molecular Weight | 220.18 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related Methylamino Standards
- 7-(methylamino)-6-nitroquinazolin-4(3H)-one (CAS 105664-93-5)
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- 3-(Methylamino)-5-(trifluoromethyl)-pyridine-2-carboxylic acid (CAS 1987078-32-9)
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Recommended Standards
- 4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid (CAS 65597-44-6)
- 4-fluoro-2-nitrobenzene-1-sulfonamide (CAS 655-01-6)
- 4-(Methoxycarbonyl)-1H-indazole-3-carboxylic acid (CAS 393553-44-1)
- 4-Fluoro-3-nitrobenzenesulfonamide (CAS 406233-31-6)
- n-((3-Aminocyclobutyl)methyl)acetamide (CAS 1493903-09-5)
- Bis(N,N-di-i-propylcarboximidamide)calcium(II) dimer (CAS 1959584-78-1)
- 5-Bromo-1-(2-methoxyethyl)-1H-indole-2-carboxylic acid (CAS 2206821-11-4)
- 3-Methylpiperidine-1-carbonyl chloride (CAS 64920-80-5)
- 3-(3-Mercapto-1H-1,2,4-triazol-5-yl)propanoic acid (CAS 125907-88-2)
- 6,7-Dihydro-8(5H)-isoquinolinone (CAS 21917-88-4)
- (2S)-2-[(Ethylthio)carbonyl]-5-oxo-1-pyrrolidinecarboxylic Acid tert-Butyl Ester (CAS 1298023-90-1)
- tert-Butyl 4-fluoro-2,8-diazaspiro[4.5]decane-2-carboxylate (CAS 2878525-38-1)
- Methyl 4-methyl-6-phenoxynicotinate (CAS 1355201-27-2)
- Tirzepatide Impurity 51 (CAS CATO-C4X-324051)
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