3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde CAS 1167056-97-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1167056-97-4 |
| Molecular Formula | C8H5N3O3 |
| Molecular Weight | 191.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 1167056-97-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5N3O3. Molecular weight: 191.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5N3O3 |
| Molecular Weight | 191.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 5-(Pyridin-3-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1086380-42-8)
- 1-(2,2-Difluoroethyl)-5-methyl-3-nitro-1H-pyrazole (CAS 1171611-51-0)
- 5-(Pyridin-4-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1086380-39-3)
- 4-Chlorophenyl 2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 332381-14-3)
- 2-(Chloromethyl)-1H-imidazole (CAS 40403-72-3)
- 1-Oxo-2-(pyridin-2-ylmethyl)-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acid (CAS 1164528-69-1)
- ((Methylstannanetriyl)tris(sulfanediyl))tris(ethane-2,1-diyl) tris(2-ethylhexanoate) (CAS 67874-54-8)
- 4′-[2,2′:6′,2′′-Terpyridin]-4′-yl[1,1′-biphenyl]-4-carboxylic acid (CAS 1005211-20-0)
- 4-(5-Methyl-benzooxazol-2-yl)-phenylamine (CAS 62236-09-3)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
Why CATO?
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