9,18-Dihydrobenzo[h]benzo[7,8]quino[2,3-b]acridine-7,16-dione CAS 7520-01-6
| CAS No. | 7520-01-6 |
| Molecular Formula | C28H16N2O2 |
| Molecular Weight | 412.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
9,18-Dihydrobenzo[h]benzo[7,8]quino[2,3-b]acridine-7,16-dione (CAS 7520-01-6), molecular formula C28H16N2O2 and molecular weight 412.44 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 9,18-Dihydrobenzo[h]benzo[7,8]quino[2,3-b]acridine-7,16-dione (C28H16N2O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 9,18-Dihydrobenzo[h]benzo[7,8]quino[2,3-b]acridine-7,16-dione 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 | C28H16N2O2 |
| Molecular Weight | 412.44 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 4-(2-(4-Methoxyphenyl)-3-methylquinoline-4-carboxamido)benzoic acid (CAS 495377-79-2)
- Fmoc-2-cyano-D-phenylalanine (CAS 401620-74-4)
- 4-(2-Fluorophenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1249829-92-2)
- 5-Amino-3-(cyanomethyl)-1-phenyl-1H-pyrazole-4-carbothioamide (CAS 61414-21-9)
- 1-(cyclopentyloxy)-4-ethynylbenzene (CAS 1395039-84-5)
- 3-Methoxy-1H-indazole-4-carbonitrile (CAS 1264481-59-5)
- Nintedanib Impurity 31 (CAS 4316-33-0)
- <I>O</I>-isopropylxanthate potassium salt (CAS 140-92-1)
- 1,4-Difluoro-2,3-diiodobenzene (CAS 501432-99-1)
- 3-(2,2-Dimethoxyethyl)-4-methyl-5-(methylthio)-4H-1,2,4-triazole (CAS 320424-72-4)
- (S)-4-Phenylchroman-2-one (CAS 61198-52-5)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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