1-(2,4-Dinitrophenyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-histidine CAS 83999-94-4
| CAS No. | 83999-94-4 |
| Molecular Formula | C27H21N5O8 |
| Molecular Weight | 543.48 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.
1-(2,4-Dinitrophenyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-histidine (CAS 83999-94-4), molecular formula C27H21N5O8 and molecular weight 543.48 g/mol, is a CATO reference standard with documented purity and traceability.
1-(2,4-Dinitrophenyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-histidine (C27H21N5O8) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 1-(2,4-Dinitrophenyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-histidine 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 | C27H21N5O8 |
| Molecular Weight | 543.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 5 |
Related Dinitrophenyl Standards
- N1-(2,4-Dinitrophenyl)-3,6,9,12,15,18,21-heptaoxatricosane-1,23-diamine (CAS 2079156-72-0)
- 2,4-Dinitrophenyl β-D-Galactoside Tetraacetate (CAS 25775-99-9)
- 2,4-Dinitrophenyl 2-Deoxy-2-fluoro-|A-D-galactoside 3,4,6-Triacetate 207975-84-6 (CAS 207975-84-6)
- S-(2,4-Dinitrophenyl)-Glutathione (CAS 26289-39-4)
- N1-(2,4-Dinitrophenyl)-3,6,9,12,15,18,21,24,27-nonaoxanonacosane-1,29-diamine (CAS 2187509-51-7)
- (3,5-Dinitrophenyl)(4-(6-(phenylamino)pyridazin-3-yl)piperazin-1-yl)methanone (CAS 898459-49-9)
- N1-(2,4-Dinitrophenyl)-3,6,9,12,15-pentaoxaheptadecane-1,17-diamine (CAS 2409085-13-6)
- 1179-29-9 2,3-Bis[2-(2,4-dinitrophenyl)hydrazone] 2,3-Butanedione Bis[(2,4-dinitrophenyl)hydrazone] 2,3-Butanedion Diacetyl Bis(2,4-dinitrophenylhydrazone) NSC 409622 (CAS 1179-29-9)
Recommended Standards
- 6,7-Dichloro-1,4-bis(mesitylamino)anthracene-9,10-dione (CAS 18038-98-7)
- Fluconazole Impurity 75 (CAS CATO-C4X-101975)
- Aprepitant Impurity 10 (CAS 1651828-04-4)
- Pantoprazole Impurity 77 (CAS 867300-67-2)
- Ethyl 2-(4-bromo-3,5-dimethyl-1H-pyrazol-1-yl)acetate (CAS 175137-54-9)
- 1-(bromomethyl)-3-fluoro-bicyclo[1.1.1]pentane (CAS 2168405-39-6)
- 1-(3-Methoxyphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol (CAS 259683-70-0)
- 2,3-Dihydro-1H-inden-1-amine sulfate (CAS 936474-09-8)
- 3-(4-Bromophenyl)-5-((4-chlorophenoxy)methyl)-4,5-dihydroisoxazole (CAS 827628-53-5)
- 5-Methyl-N-(2-methylbenzo[d]thiazol-6-yl)isoxazole-3-carboxamide (CAS 852906-37-7)
- 1-Chloro-1-ethylcyclohexane (CAS 1445-98-3)
- 3-Ethoxy-2-fluoro-4-(trifluoromethyl)benzoic acid (CAS 2421252-78-8)
- N-(4-methylbenzyl)piperidin-3-amine hydrochloride (CAS 1353955-95-9)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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