1-(2-Nitrophenyl)piperidin-2-one CAS 203509-92-6
| CAS No. | 203509-92-6 |
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(2-Nitrophenyl)piperidin-2-one.
1-(2-Nitrophenyl)piperidin-2-one (CAS 203509-92-6), molecular formula C11H12N2O3 and molecular weight 220.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H12N2O3, 1-(2-Nitrophenyl)piperidin-2-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 1-(2-Nitrophenyl)piperidin-2-one 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.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 2 |
Related Nitrophenyl Standards
- 4-((4-Nitrophenyl)imino)pentan-2-one (CAS 100060-84-2)
- 1-(4-Methyl-2-nitrophenyl)pyrrolidin-2-one (CAS 1212060-28-0)
- 1-(3-Nitrophenyl)piperidin-2-one (CAS 132573-13-8)
- 1-(2-Methyl-3-nitrophenyl)pyrrolidin-2-one (CAS 133053-92-6)
- 1-(4-Nitrophenyl)cyclobutanecarboxamide (CAS 1359656-34-0)
- 1-(4-Nitrophenyl)-3-piperidinone (CAS 144872-34-4)
- 6-(4-Nitrophenyl)-2-oxa-6-azaspiro[3.3]Heptane (CAS 1527519-84-1)
- (3-Nitrophenyl)(pyrrolidin-1-yl)methanone (CAS 160647-67-6)
Recommended Standards
- 1-(2-Methyl-5-nitroindolin-1-yl)ethan-1-one (CAS 95545-02-1)
- 1-(4-Aminophenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 346637-44-3)
- 1-(2-methoxyphenyl)hexahydropyrimidine-2,4-dione (CAS 23947-33-3)
- 1-(4-Ethoxyphenyl)imidazolidine-2,4-dione (CAS 392701-75-6)
- 5,5'-Dinitro-[1,1'-biphenyl]-3,3'-dicarboxylic acid (CAS 144949-59-7)
- ethyl 2-[(chloroacetyl)amino]thiophene-3-carboxylate (CAS 648859-97-6)
- 2’-Amino-5’-chloro-4’-fluoroacetophenone (CAS 937816-85-8)
- N-(3-methoxyphenethyl)propan-1-amine (CAS 74534-43-3)
- 3-(2-Fluorobenzyl)isonicotinic acid (CAS 2448311-40-6)
- 2-(4-Bromo-3-methylphenyl)isothiazolidine 1,1-dioxide (CAS 1016860-62-0)
- 6-(tert-Butyl)-2,3,4-trimethylphenol (CAS 191790-01-9)
- Pranoprofen Impurity 66 (CAS CATO-C4X-181166)
- (2-Cyclobutylpyrimidin-5-yl)methanamine (CAS 1528443-67-5)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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