5-Amino-4-hydroxy-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid CAS 1782819-13-9
| CAS No. | 1782819-13-9 |
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Amino-4-hydroxy-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1782819-13-9), molecular formula C8H7N3O3 and molecular weight 193.16 g/mol, is a CATO reference standard with documented purity and traceability.
5-Amino-4-hydroxy-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (C8H7N3O3) 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 5-Amino-4-hydroxy-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid 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 | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
Related Amino Standards
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- 2-amino-4-methoxy-5-nitrobenzonitrile (CAS 1269292-82-1)
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Recommended Standards
- 7-Methoxy-3H-imidazo[4,5-b]pyridine-5-carboxylic acid (CAS 1782813-01-7)
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- 6-Nitrochroman-3-one (CAS 178262-27-6)
- 4-(Hydroxymethyl)benzo[d]oxazole-2-carboxylic acid (CAS 1804209-79-7)
- cis-3-(trifluoromethyl)cyclobutanamine;hydrochloride (CAS 2227198-26-5)
- N-(2-bromophenyl)-3-methylbut-2-enamide (CAS 102804-45-5)
- Methyl 2-((1-phenyl-1H-imidazol-2-yl)thio)acetate (CAS 478039-86-0)
- Ethyl 6-chloro-3,5-dimethylpyrazine-2-carboxylate (CAS 1166827-48-0)
- 5-(Sulfanylmethyl)thiophene-2-carboxylic acid (CAS 14325-49-6)
- 3-(Pyrrolidin-2-yl)-4H-1,2,4-triazole dihydrochloride (CAS 1909309-35-8)
- Ethyl 5-bromo-2-methylbenzoate (CAS 359629-91-7)
- 2-Fluoro-n-phenylaniline (CAS 328-20-1)
- 4-(1,3-Dioxolan-2-yl)-5-fluoropyridin-3-ol (CAS 1624260-60-1)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
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