(4-Amino-2-nitrophenyl)methanol CAS 22996-17-4
| CAS No. | 22996-17-4 |
| Molecular Formula | C7H8N2O3 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(4-Amino-2-nitrophenyl)methanol (CAS 22996-17-4), molecular formula C7H8N2O3 and molecular weight 168.15 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4-Amino-2-nitrophenyl)methanol (C7H8N2O3) 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 168.15 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (4-Amino-2-nitrophenyl)methanol 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 | C7H8N2O3 |
| Molecular Weight | 168.15 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.) | 1963 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 6-Amino-4-methoxynicotinic acid (CAS 1060805-18-6)
- 4-Amino-6-methoxypicolinic acid (CAS 1060806-72-5)
- 2-Amino-6-methoxyisonicotinic acid (CAS 1060806-74-7)
- 4-Amino-6-methoxynicotinic acid (CAS 1060806-76-9)
- 6-Amino-2-methoxynicotinic Acid (CAS 1060806-77-0)
- 4-Amino-2-methoxynicotinic acid (CAS 1060806-78-1)
- n-(2-Amino-2-oxoethyl)-1h-imidazole-1-carboxamide (CAS 1087797-69-0)
- 5-amino-3-(2-hydroxyethoxy)-1H-pyrazole-4-carbonitrile (CAS 117889-76-6)
Recommended Standards
- (1H-Pyrrole-2-carbonyl)glycine (CAS 98276-81-4)
- (4-Amino-3-nitrophenyl)methanol (CAS 63189-97-9)
- (±)-Norcantharidin (CAS 29745-04-8)
- (4-Methyl-3-nitropyridin-2-yl)methanol (CAS 21203-57-6)
- 5-tert-Butyl 2-ethyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-2,5(4H,6H)-dicarboxylate (CAS 718632-46-3)
- 4-[(2E)-3-(2,3,4-Trimethoxyphenyl)prop-2-enoyl]phenyl 4-nitrobenzoate (CAS 288306-48-9)
- 3-(Aminomethyl)-4-bromo-6-(difluoromethyl)pyridin-2-amine (CAS 1805088-87-2)
- 4-Ethoxy-6-methoxy-8-methylquinoline-2-carboxylic acid (CAS 1351793-97-9)
- 1-(4-chlorophenyl)-5-pyridin-3-yl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1030089-58-7)
- rel-((3R,7aR)-3-(Fluoromethyl)hexahydro-1H-pyrrolizin-7a-yl)methanol (CAS 2621937-34-4)
- MEthyl 1-(4-nitrophenyl)-2,3,4,9-tetrahydro-1h-beta-carboline-3-carboxylate (CAS 82789-21-7)
- Methyl (R)-2-[1-[(2-Amino-5-bromo-3-pyridyl)oxy]ethyl]-4-fluorobenzoate (CAS 1454848-00-0)
- 2-(Allyloxy)-6-chlorobenzenesulfonamide (CAS 89412-52-2)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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