6-Methyl-3-nitropyridin-2-ol CAS 39745-39-6
| CAS No. | 39745-39-6 |
| Molecular Formula | C6H6N2O3 |
| Molecular Weight | 154.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Methyl-3-nitropyridin-2-ol (CAS 39745-39-6) is a high-purity analytical reference standard with the molecular formula C6H6N2O3 and a molecular weight of 154.12 g/mol.
Structurally, 6-Methyl-3-nitropyridin-2-ol (C6H6N2O3) 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 154.12 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).
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), 6-Methyl-3-nitropyridin-2-ol 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 | C6H6N2O3 |
| Molecular Weight | 154.12 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.) | 1968 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- (6-Nitropyridin-2-yl)methanol (CAS 131747-47-2)
- (5-Nitropyridin-3-yl)methanol (CAS 131747-58-5)
- 3-Methyl-4-nitropyridin-2(1H)-one (CAS 1373551-99-5)
- 2-Methyl-6-nitropyridin-4-ol (CAS 1422448-64-3)
- 5-Methyl-2-nitropyridin-3-ol (CAS 15128-88-8)
- (3-Nitropyridin-4-yl)methanol (CAS 1706430-22-9)
- (2-Nitropyridin-3-yl)methanol (CAS 1706436-74-9)
- (4-Nitropyridin-3-yl)methanol (CAS 1706462-55-6)
Recommended Standards
- 6-Methyl-2-oxo-2H-pyran-5-carboxylic acid (CAS 25683-10-7)
- 6-Methyl-5-nitropyridin-3-ol (CAS 36625-63-5)
- 6-Methoxypyrimidine-4-carboxylic Acid (CAS 38214-45-8)
- 6-Methyl-5-oxo-4,5-dihydropyrazine-2-carboxylic acid (CAS 77168-83-3)
- 3-Iodo-2,6-bis(trifluoromethyl)aniline (CAS 1805524-76-8)
- 1-Benzyl-4-(diethoxymethyl)-1,2,3-triazole (CAS 133735-81-6)
- N-{[3-(3,4-dimethylphenyl)-1-phenyl-1H-pyrazol-4-yl]methyl}-N-methylamine (CAS 875858-82-5)
- 5-[(Benzyloxy)carbonyl]-4H,5H,6H,7H-thieno[3,2-c]pyridine-4-carboxylic acid (CAS 1339529-82-6)
- 2-(3-methyl-1H-pyrazol-1-yl)acetic acid hydrochloride (CAS 1820711-48-5)
- Sepiapterin Impurity 24-D3 (CAS 2747956-15-4)
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