(9H-Fluoren-9-yl)methyl (4-nitrophenyl)carbamate CAS 123622-29-7
| CAS No. | 123622-29-7 |
| Molecular Formula | C21H16N2O4 |
| Molecular Weight | 360.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (9H-Fluoren-9-yl)methyl (4-nitrophenyl)carbamate 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.
(9H-Fluoren-9-yl)methyl (4-nitrophenyl)carbamate (CAS 123622-29-7), molecular formula C21H16N2O4 and molecular weight 360.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H16N2O4, (9H-Fluoren-9-yl)methyl (4-nitrophenyl)carbamate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 360.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C21H16N2O4 |
| Molecular Weight | 360.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
Related H Standards
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)isonicotinic acid (CAS 1234878-64-8)
- 2-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)isonicotinic acid (CAS 1341759-16-7)
- 6-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)picolinic acid (CAS 1342022-63-2)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)picolinic acid (CAS 1342049-68-6)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)nicotinic acid (CAS 1396968-42-5)
- 5-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)picolinic acid (CAS 1519937-82-6)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)picolinic acid (CAS 1567020-33-0)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)nicotinic acid (CAS 1823482-55-8)
Recommended Standards
- 3-(4-Methoxybenzyl)-6-phenylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1263212-37-8)
- Ethyl 4-(2-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)acetyl)piperazine-1-carboxylate (CAS 1210500-14-3)
- Z-His-Ala-OH (C-1965.0005) (CAS 13056-38-7)
- 1210236-09-1 KS-00002WU3 ethyl 3-[2-(3,4-dimethoxyphenoxy)acetamido]pyridine-4-carboxylate (CAS 1210236-09-1)
- 1H-Imidazol-4-amine (CAS 4919-03-3)
- 2-(2-Formyl-4-methoxyphenoxy)acetic acid (CAS 24589-93-3)
- 1-[(2-Fluorophenyl)methyl]-1H-pyrazol-4-amine (CAS 925634-52-2)
- Boc-Tyr-OH (CAS 3978-80-1)
- Empagliflozin Impurity 272 (CAS CATO-C4X-1065272)
- 3,3-difluorocyclopentane-1-carbaldehyde (CAS 1553231-11-0)
- 2-(Aminomethyl)-3-(difluoromethyl)-5-iodopyridine-4-acetic acid (CAS 1806956-77-3)
- 3-Amino-n-(5-bromo-2-methylphenyl)propanamide hydrochloride (CAS 1221725-92-3)
- Amlodipine Impurity 59 (CAS 140171-49-9)
- Casein kinase II peptide Substrate (CAS 154444-98-1)
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