3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde CAS 1167056-97-4
| CAS No. | 1167056-97-4 |
| Molecular Formula | C8H5N3O3 |
| Molecular Weight | 191.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 1167056-97-4), a certified reference material (molecular formula C8H5N3O3, MW 191.14 g/mol) for analytical method development and quality control.
3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (C8H5N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 |
Related Nitro Standards
- 4-Nitro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde (CAS 1000340-43-1)
- 5-Nitro-1-nitroso-1H-indoleDISCONTINUED (CAS 1000399-12-1)
- 3-Nitro-1H-pyrrolo[2,3-b]pyridine-4-carbaldehyde (CAS 1190315-23-1)
- 7-Nitro-1H-pyrrolo[3,2-b]pyridine-3-carbaldehyde (CAS 1190315-27-5)
- 6-Nitro-1H-pyrrolo[3,2-b]pyridine-3-carbaldehyde (CAS 1190317-20-4)
- 6-Nitro-1H-benzoimidazole-2-carbaldehyde (CAS 1260834-38-5)
- 5-Nitro-1H-benzo[d]imidazole-7-carbaldehyde (CAS 1804059-35-5)
- 2-Nitro-1h-indene-1,3(2h)-dione (CAS 3674-33-7)
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)
- 1-(2,2-Difluoroethyl)-3-methyl-5-nitro-1H-pyrazole (CAS 1172518-39-6)
- 4-Chlorophenyl 2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 332381-14-3)
- 2-(Chloromethyl)-1H-imidazole (CAS 40403-72-3)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(2-hydroxyethyl)-N-methyl-L-serine (CAS 2255322-15-5)
- 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)
- 5-Chloro-2',5'-difluoro-[1,1'-biphenyl]-3-ol (CAS 1261990-27-5)
- Tert-butyl 2-(6-chloropyridin-3-yl)-4-oxo-1,3,7-triazaspiro[4.4]Non-1-ene-7-carboxylate (CAS 2227206-07-5)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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