5H-Benzo[6,7]indazolo[2,3,4-fgh]naphtho[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-6,11,14,19-tetraone CAS 2278-50-4
| CAS No. | 2278-50-4 |
| Molecular Formula | C45H19N3O4 |
| Molecular Weight | 665.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5H-Benzo[6,7]indazolo[2,3,4-fgh]naphtho[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-6,11,14,19-tetraone is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5H-Benzo[6,7]indazolo[2,3,4-fgh]naphtho[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-6,11,14,19-tetraone (CAS 2278-50-4), a certified reference material (molecular formula C45H19N3O4, MW 665.65 g/mol) for analytical method development and quality control.
5H-Benzo[6,7]indazolo[2,3,4-fgh]naphtho[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-6,11,14,19-tetraone (C45H19N3O4) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 5H-Benzo[6,7]indazolo[2,3,4-fgh]naphtho[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-6,11,14,19-tetraone 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 | C45H19N3O4 |
| Molecular Weight | 665.65 g/mol |
| 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) | 38.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related H Standards
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Recommended Standards
- N,N'-(5,10,15,17-Tetraoxo-10,15,16,17-tetrahydro-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)dibenzamide (CAS 131-92-0)
- N,N'-(5,10,15,17-Tetraoxo-10,15,16,17-tetrahydro-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,11-diyl)dibenzamide (CAS 2379-78-4)
- Elagolix Impurity 86 (CAS CATO-C4X-206886)
- Aripiprazole Impurity 58 (CAS 1424857-63-5)
- 2-fluoro-6-(1H-pyrazol-1-yl)benzoic acid (CAS 1521055-55-9)
- 2-(7-(2H-Naphtho[1,2-d][1,2,3]triazol-2-yl)quinolin-3-yl)benzo[d]oxazole (CAS 64887-44-1)
- 2-(Difluoromethoxy)cyclopentan-1-amine (CAS 1603082-41-2)
- ((Methylstannanetriyl)tris(sulfanediyl))tris(ethane-2,1-diyl) tris(decanoate) (CAS 68928-50-7)
- 2-Ethynyl-2'-vinyl-1,1'-biphenyl (CAS 63626-14-2)
- 3-Chloro-N-(2-ethoxyphenyl)propanamide (CAS 334504-88-0)
- 2-(2-Ethyl-4,6-dimethylpyrimidin-5-yl)acetic acid hydrochloride (CAS 2094145-48-7)
- (R)-MeO-Cl-BIPHEP (CAS 185913-97-7)
- 1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-2-carboxylic acid (CAS 1029106-99-7)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
Why CATO?
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