1,1'-(9H-Carbazole-2,9-diyl)diethanone CAS 23592-73-6
| CAS No. | 23592-73-6 |
| Molecular Formula | C20H22N8O8S2 |
| Molecular Weight | 566.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(9H-Carbazole-2,9-diyl)diethanone (CAS 23592-73-6), molecular formula C20H22N8O8S2 and molecular weight 566.57 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1,1'-(9H-Carbazole-2,9-diyl)diethanone (C20H22N8O8S2) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 1,1'-(9H-Carbazole-2,9-diyl)diethanone 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 | C20H22N8O8S2 |
| Molecular Weight | 566.57 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 2 |
Related H Standards
- 4,4',4''-(9H-Carbazole-3,6,9-triyl)tribenzoic acid (CAS 2292116-92-6)
- 4,4',4'',4'''-(9H-Carbazole-1,3,6,8-tetrayl)tetrabenzoic acid (CAS 2097131-99-0)
- 4,4'-(9H-carbazole-3,6-diyl)bis(N,N-diphenylaniline) (CAS 885665-26-9)
- 9H-Carbazole,9-[1,1-biphenyl]-4-yl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1391729-66-0)
- 4,4'-(9H-carbazole-3,6-diyl)dibenzoic acid (CAS 1258419-79-2)
- 4,4'-(9H-carbazole-3,6-diyl)dibenzaldehyde (CAS 1380609-13-1)
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- 4,4'-(9H-Carbazole-3,6-diyl)dianiline (CAS 1859947-37-7)
Recommended Standards
- Rimegepant Impurity 131 (CAS CATO-C4X-2487131)
- (11aS)-10,11,12,13-Tetrahydro-5-hydroxy-3,7-di-1-naphthalenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin (CAS 1258327-08-0)
- Rimegepant Impurity 107 (CAS CATO-C4X-2487107)
- (11aR)-10,11,12,13-Tetrahydro-5-hydroxy-3,7-di-1-naphthalenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin (CAS 1297613-73-0)
- 2-(3-Chloro-4-fluorophenyl)azetidine (CAS 1270582-08-5)
- 105212-27-9 6-Bromo-1-benzothiophene-2-carbonyl chloride DTXSID60544016 (CAS 105212-27-9)
- Rel-(4AS,7aS)-4-methylhexahydropyrrolo[3,4-b][1,4]oxazin-3(2H)-one (CAS 1487348-15-1)
- 1-(Bromomethyl)-2,4-dichloro-3-methylbenzene (CAS 1804896-58-9)
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- 1,3-diphenylpropan-2-ol (CAS 5381-92-0)
- 8-Methyl-N'-(2-(thiophen-2-yl)acetyl)-8H-thieno[2,3-b]indole-2-carbohydrazide (CAS 477869-01-5)
- (S)-Cyclopropyl(6-fluoropyridin-2-yl)methanamine dihydrochloride (CAS 2241594-20-5)
- Des-[Oct-γ-Glu-AEEA-AEEA]-Semaglutide (CAS CATO-C4X-2226112)
Why CATO?
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