5-Ethyl-7-methylbenzo[b]carbazole CAS 4133-22-6
| CAS No. | 4133-22-6 |
| Molecular Formula | C19H17N |
| Molecular Weight | 259.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Ethyl-7-methylbenzo[b]carbazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 5-Ethyl-7-methylbenzo[b]carbazole (CAS 4133-22-6), a certified reference material (molecular formula C19H17N, MW 259.34 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H17N, 5-Ethyl-7-methylbenzo[b]carbazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 259.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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 | C19H17N |
| Molecular Weight | 259.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
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- N-(2-Methylbenzo[d]oxazol-5-yl)cyclohexanecarboxamide (CAS 519019-65-9)
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Recommended Standards
- 5-((Hexyloxy)methyl)quinolin-8-ol (CAS 7545-61-1)
- 5-Octyl L-Glutamate (CAS 4852-91-9)
- 4-Phenyl-3-(piperidin-1-ylmethyl)dihydrofuran-2(3H)-one (CAS 99518-92-0)
- 6,7-Dimethoxy-1-(3-methylbut-1-en-1-yl)-3,4-dihydroisoquinoline (CAS 61170-45-4)
- Big Endothelin-1 (human) (CAS 120796-97-6)
- tert-Butyl 2-(6-chloro-5-methylpyridin-3-yl)piperidine-1-carboxylate (CAS 1352515-18-4)
- 2-[3-(3,4-Dichloro-phenyl)-propyl]-6-methoxy-benzoic acid methyl ester (CAS 1171923-70-8)
- 1-(3-nitro-10H-phenothiazin-10-yl)ethan-1-one (CAS 1747-88-2)
- Benzyl (E)-2-(3-(pyrrolidin-1-yl)prop-1-en-1-yl)pyrrolidine-1-carboxylate (CAS 956791-65-4)
- Ethyl 6-methyl-1-oxaspiro[2.6]nonane-2-carboxylate (CAS 1561409-18-4)
- Tert-butyl methyl(2-oxo-2-(pyrrolidin-3-ylamino)ethyl)carbamate (CAS 1707370-71-5)
- 3-Methoxybenzeneacetamide (CAS 18463-71-3)
- 7-Iodoisoquinolin-1(2H)-one (CAS 1080673-25-1)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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