11H-Indeno[1,2-b]quinoxaline CAS 243-55-0
| CAS No. | 243-55-0 |
| Molecular Formula | C15H17N5O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 11H-Indeno[1,2-b]quinoxaline.
CATO supplies 11H-Indeno[1,2-b]quinoxaline (CAS 243-55-0), a certified reference material (molecular formula C15H17N5O2HCl, MW 335.79 g/mol) for analytical method development and quality control.
Structurally, 11H-Indeno[1,2-b]quinoxaline (C15H17N5O2HCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 335.79 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 11H-Indeno[1,2-b]quinoxaline 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.
Physical & Chemical Properties
| Molecular Formula | C15H17N5O2 2*HCl |
| Molecular Weight | 335.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related H Standards
- 6H-Indeno[5,4-d]oxazol-8(7H)-one (CAS 1000333-90-3)
- 9H-Indeno[2,1-c]pyridazine (CAS 100595-17-3)
- 2H-Indeno[2,1-c]pyridazine-3,9-dione (CAS 100595-21-9)
- 9H-Indeno[2,1-c]pyridazin-9-one (CAS 100595-22-0)
- 8H-Indeno[1,2-d]thiazol-2-amine hydrobromide (CAS 115247-57-9)
- 5H-Indeno[1,2-b]pyridine-5-carboxylic acid (CAS 115623-53-5)
- 1-(8H-Indeno[1,2-d]thiazol-2-yl)-3-(thiophen-2-ylmethyl)urea (CAS 1203047-14-6)
- 1-(8H-Indeno[1,2-d]thiazol-2-yl)-3-(thiophen-2-yl)urea (CAS 1207001-40-8)
Recommended Standards
- 5,5-dioxo-4H,6H,7H-1,5$l^{6}-thieno[3,2-c]thiopyran-2-carboxylic acid (CAS 1247630-44-9)
- 1-(4-chloro-3-nitrophenyl)propan-1-one (CAS 80093-43-2)
- Psoracorylifol C (CAS 879290-99-0)
- 4-(2-Benzyl-2H-tetrazol-5-yl)aniline (CAS 210467-75-7)
- 2-[(pyridin-3-ylmethyl)amino]propanoic acid dihydrochloride (CAS 1396962-67-6)
- Methyl 2-(chlorosulfonyl)thiazole-5-carboxylate (CAS 933685-92-8)
- 2-(2-Chloro-3-formylphenyl)acetonitrile (CAS 1379202-57-9)
- 3-(4-Chlorophenyl)-7-(2-oxopropoxy)-2H-chromen-2-one (CAS 887860-30-2)
- Ethyl 4-((tert-butoxycarbonyl)amino)-1H-pyrrole-2-carboxylate (CAS 903570-20-7)
- Liraglutide (14-31)TFA Salt (CAS CATO-C4X-19927)
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