4-(Difluoromethyl)-3-(hydroxymethyl)-5-nitropyridin-2-ol CAS 1805067-98-4
| CAS No. | 1805067-98-4 |
| Molecular Formula | C7H6F2N2O4 |
| Molecular Weight | 220.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-(Difluoromethyl)-3-(hydroxymethyl)-5-nitropyridin-2-ol 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.
4-(Difluoromethyl)-3-(hydroxymethyl)-5-nitropyridin-2-ol (CAS 1805067-98-4), molecular formula C7H6F2N2O4 and molecular weight 220.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6F2N2O4, 4-(Difluoromethyl)-3-(hydroxymethyl)-5-nitropyridin-2-ol contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6F2N2O4 |
| Molecular Weight | 220.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoromethyl Standards
- 2-(Difluoromethyl)-3-hydroxy-6-methoxy-4-nitropyridine (CAS 1804858-38-5)
- 2-(Difluoromethyl)-3-hydroxy-5-nitropyridine-6-methanol (CAS 1804866-49-6)
- 2-(Difluoromethyl)-6-hydroxy-3-methoxy-4-nitropyridine (CAS 1805202-75-8)
- 2-(Difluoromethyl)-3-hydroxy-5-nitropyridine-4-methanol (CAS 1805205-18-8)
- 2-(Difluoromethyl)-5-hydroxy-3-nitropyridine-6-methanol (CAS 1805206-20-5)
- 2-(Difluoromethyl)-5-hydroxy-4-nitropyridine-3-methanol (CAS 1805394-17-5)
- 4-(Difluoromethyl)-5-methoxy-3-nitropyridin-2-ol (CAS 1805446-87-0)
- 2-(Difluoromethyl)-4-hydroxy-3-methoxy-5-nitropyridine (CAS 1805481-12-2)
Recommended Standards
- 1-(2,2-Difluoroethyl)-4-nitro-1H-pyrazole-3-carboxamide (CAS 1787881-28-0)
- 2-Bromo-5-isopropyl-4-methylthiazole (CAS 1784966-67-1)
- 2-(5-Bromo-3-methyl-2-thienyl)ethylamine (CAS 1784018-54-7)
- 1-(3-Bromo-5-methylthiophen-2-yl)ethan-1-amine (CAS 1532059-90-7)
- 4-((Chloromethyl)sulfonyl)morpholine (CAS 39542-27-3)
- 4-(Dimethylamino)-3-(trifluoromethyl)benzonitrile (CAS 71145-96-5)
- H-D-Arg-OH (CAS 157-06-2)
- N-methyl-N-(prop-2-yn-1-yl)aniline (CAS 4282-82-0)
- 9-Fluoro-5-oxo-2,3,4,5-tetrahydrobenzo[b]oxepin-8-yl pivalate (CAS 2226905-25-3)
- Nitroso Nicardipine (CAS 77817-40-4)
- 2-Keto-(3-methyl-<SUP>13</SUP>C)-butyric-4-<SUP>13</SUP>C,3-d<SUB> </SUB>acid sodium salt (CAS 1216972-87-0)
- 2-Acetyl-6-bromoisonicotinic acid (CAS 1393569-19-1)
- 2,8-dibromo-[1,2,4]triazolo[1,5-a]pyridine (CAS 1257705-07-9)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com