5H-Spiro[indeno[2,1-b]carbazole-7,9'-xanthene] CAS 1849673-24-0
| CAS No. | 1849673-24-0 |
| Molecular Formula | C31H19NO |
| Molecular Weight | 421.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C31H19NO, 5H-Spiro[indeno[2,1-b]carbazole-7,9'-xanthene] contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 5H-Spiro[indeno[2,1-b]carbazole-7,9'-xanthene] (CAS 1849673-24-0), a certified reference material (molecular formula C31H19NO, MW 421.49 g/mol) for analytical method development and quality control.
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), 5H-Spiro[indeno[2,1-b]carbazole-7,9'-xanthene] 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 | C31H19NO |
| Molecular Weight | 421.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related H Standards
- 14H-spiro[dibenzo[c,h]acridine-7,9'-fluorene] (CAS 1303969-19-8)
- Spiro[2.5]octane (CAS 185-65-9)
- 12'H-Spiro[fluorene-9,7'-indeno[1,2-a]carbazole] (CAS 1615703-28-0)
- 5'H-spiro[fluorene-9,8'-indeno[2,1-c]carbazole] (CAS 1936530-01-6)
- 5H-spiro[dibenzo[c,h]acridine-7,9'-fluoren]-5-one (CAS 1345890-45-0)
- Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6'-[ethyl(4-methylphenyl)amino]-2'-methyl- (CAS 42228-32-0)
- Spiro[3H-indole-3,4'-piperidine]-1'-carboxylic acid, 1,2-dihydro-2-oxo-1-(phenylmethyl)-, 1,1-dimethylethyl ester (CAS 293744-34-0)
- Spiro-indolinone analogue, 71 (CAS 916047-16-0)
Recommended Standards
- 1-(2-Ethoxybenzoyl)-4-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine (CAS 1775517-65-1)
- (2E)-3-[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]-2-(3-methylphenyl)prop-2-enenitrile (CAS 956206-25-0)
- 1-(4-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-1-yl)-2-(4-methylphenoxy)ethan-1-one (CAS 1775506-31-4)
- 1-Cyclohexyl-2-imino-5-oxo-N-((tetrahydrofuran-2-yl)methyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 618078-10-7)
- 4,4-(Benzo[c][1,2,5]thiadiazole-4,7-diyl)dibenzaldehyde (CAS 914651-17-5)
- (2-(4-(Bis(4-fluorophenyl)methyl)piperazin-1-yl)phenyl)methanol (CAS 914349-61-4)
- 5-Hydroxy-1-phenyl-1H-pyrazol-3(2H)-one (CAS 4072-31-5)
- 2,4-Dichloro-5,6-dihydrofuro[2,3-d]pyrimidine (CAS 1823731-18-5)
- N-(2,4-Dimethoxyphenyl)benzofuro[3,2-d]pyrimidin-4-amine (CAS 847379-79-7)
- N-(furan-2-ylmethyl)-2-(4-(4-(pyridin-2-yl)pyrimidin-2-yl)phenoxy)acetamide (CAS 478034-01-4)
- Ceftazidime Impurity 20 (CAS CATO-C4X-121220)
- CK 1827452 (CAS 873697-71-3)
- 3-((4-Bromophenyl)thio)-1-(4-chlorophenyl)propan-1-one (CAS 270086-96-9)
- 149471-11-4 Neuropeptide DF2 L-Phenylalaninamide, L-alpha-aspartyl-L-arginyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-arginyl- Asp-arg-asn-phe-leu-arg-phe-NH2 Aspartyl-arginyl-asparaginyl-phenylalanyl-leucyl-arginyl-phenylalaninamide L-alpha-Aspartyl-L-arginyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-arginyl-L-phenylalaninamide DF(2) Neuropeptide Drnflrfamide (CAS 149471-11-4)
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