5,11-Dihydro-4,8-dihydroxyindolo[3,2-b]carbazole-6-carboxaldehyde CAS 549548-27-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 549548-27-8 |
| Molecular Formula | C19H12N2O3 |
| Molecular Weight | 316.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,11-Dihydro-4,8-dihydroxyindolo[3,2-b]carbazole-6-carboxaldehyde (CAS 549548-27-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H12N2O3. Molecular weight: 316.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H12N2O3 |
| Molecular Weight | 316.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 5,11-Dihydro-2,10-dihydroxyindolo[3,2-b]carbazole-6-carboxaldehyde (CAS 549548-28-9)
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Recommended Standards
- 5,5’-Methylenebis(2-hydroxy-3-methylbenzoic Acid) (CAS 2581-36-4)
- 5-Acetyl-2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid (CAS 219553-55-6)
- 5-(4-Fluorophenyl)-N-(4-nitrophenyl)-1,3,4-thiadiazol-2-amine (CAS 827580-66-5)
- 2-(2,6-dioxo-3-piperidyl)-4-piperazin-1-yl-isoindoline-1,3-dione (CAS 2154342-57-9)
- (5-Chlorofuro[2,3-b]pyridin-2-yl)methanol (CAS 1261365-42-7)
- Ethyl 3-amino-3-[4-(propan-2-yl)phenyl]propanoate hydrochloride (CAS 255881-56-2)
- o-Hydroxyphenyl β-D-glucoside (CAS 2400-71-7)
- Norpsilocin (CAS 28363-70-4)
- 1374509-31-5 1-Acetyl-3-phenyl-1,5,6,7-tetrahydro-4H-indazol-4-one MFCD22374922 (CAS 1374509-31-5)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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