1-(2-(Methylamino)-5-nitrophenyl)ethan-1-one CAS 85020-82-2
| CAS No. | 85020-82-2 |
| Molecular Formula | C9H10N2O3 |
| Molecular Weight | 194.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(2-(Methylamino)-5-nitrophenyl)ethan-1-one is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(2-(Methylamino)-5-nitrophenyl)ethan-1-one (CAS 85020-82-2), molecular formula C9H10N2O3 and molecular weight 194.19 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-(2-(Methylamino)-5-nitrophenyl)ethan-1-one (C9H10N2O3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 1-(2-(Methylamino)-5-nitrophenyl)ethan-1-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 | C9H10N2O3 |
| Molecular Weight | 194.19 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 2 |
Related Methylamino Standards
- 1-(4-(Methylamino)-3-nitrophenyl)ethan-1-one (CAS 18076-17-0)
- Methyl 2-(methylamino)-2-(pyridin-4-yl)propanoate (CAS 1182967-78-7)
- methyl 2-(methylamino)-2-(pyridin-2-yl)propanoate (CAS 1184002-84-3)
- Ethyl 2-(methylamino)-2-(pyridin-3-yl)acetate (CAS 1218330-92-7)
- 4-(Methylamino)-4-(3-pyridyl)butyric Acid (CAS 15569-99-0)
- Ethyl 2-(6-(methylamino)pyridin-2-yl)acetate (CAS 205676-86-4)
- 7-(Methylamino)-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 1894292-78-4)
- N-(3-(methylamino)propyl)picolinamide (CAS 34968-55-3)
Recommended Standards
- (Z)-2-(hydroxyimino)-N-(4-methoxyphenyl)acetamide (CAS 6335-41-7)
- 1-(2-Amino-4-nitrophenyl)propan-1-one (CAS 61712-84-3)
- (S)-2-Phenyl-2-ureidoacetic acid (CAS 71752-59-5)
- 1-(2-Hydroxyethyl)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 5326-76-1)
- 2-Bromo-6-methoxybenzamide (CAS 1261581-85-4)
- 1142205-04-6 9329AC C18H20N2O3 [{2-Oxo-2-[(2-phenylethyl)amino]ethyl}(phenyl)-amino]acetic acid (CAS 1142205-04-6)
- N-(1-(tert-Butyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)but-2-enamide (CAS 1007031-84-6)
- Triisobutylphosphine Sulphide (CAS 3982-87-4)
- 2-(4-Fluorophenoxy)butanoyl chloride (CAS 1160257-66-8)
- Eldecalcitol Impurity 42 (CAS 213250-68-1)
- 4-Bromo-2-{[(3,4-dichlorophenyl)amino]methyl}-6-methoxyphenol (CAS 329778-98-5)
- N-(4-(3-Methyl-1,2,4-oxadiazol-5-yl)phenyl)nicotinamide (CAS 1226440-15-8)
- Clonazepam Impurity 21 (CAS 4306-32-5)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
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