5-Amino-1H-pyrrolo[3,2-b]pyridine-7-carboxylic acid CAS 2231675-87-7
| CAS No. | 2231675-87-7 |
| Molecular Formula | C8H7N3O2 |
| Molecular Weight | 177.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
5-Amino-1H-pyrrolo[3,2-b]pyridine-7-carboxylic acid (CAS 2231675-87-7), molecular formula C8H7N3O2 and molecular weight 177.16 g/mol, is a CATO reference standard with documented purity and traceability.
5-Amino-1H-pyrrolo[3,2-b]pyridine-7-carboxylic acid (C8H7N3O2) 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).
As a certified reference material (CRM), 5-Amino-1H-pyrrolo[3,2-b]pyridine-7-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 | C8H7N3O2 |
| Molecular Weight | 177.16 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-Amino-7-methylpteridine 5-oxide (CAS 1010-55-5)
- 4-Amino-1H-pyrrolo[2,3-c]pyridine-3-carboxylic acid (CAS 1190309-73-9)
- 3-Amino-1H-pyrrolo[2,3-c]pyridine-7-carboxylic acid (CAS 1190310-11-2)
- 3-Amino-1H-pyrrolo[2,3-c]pyridine-4-carboxylic acid (CAS 1190310-45-2)
- 3-Amino-1H-pyrrolo[3,2-b]pyridine-6-carboxylic acid (CAS 1190313-05-3)
- 6-Amino-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (CAS 1190313-95-1)
- 3-Amino-1H-pyrrolo[3,2-b]pyridine-5-carboxylic acid (CAS 1190317-13-5)
- 7-Amino-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (CAS 1190319-32-4)
Recommended Standards
- 5-Amino-1H-indazole-7-carboxylic acid (CAS 885272-13-9)
- 5-Cyano-2-methoxybenzoic acid (CAS 84923-71-7)
- 5-Amino-1H-indazole-6-carboxylic acid (CAS 81115-49-3)
- 5-Formyl-2-hydroxy-3-methoxybenzonitrile (CAS 73289-80-2)
- N-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-2,6-dichloropyridine-3-carboxamide (CAS 866010-68-6)
- 3-((4-Ethoxyphenyl)amino)-1-(4-fluorophenyl)propan-1-ol (CAS 477320-10-8)
- Methyl 3-amino-2,3-dihydro-1H-indene-5-carboxylate (CAS 903630-53-5)
- Ethyl 3-(4-acetylphenyl)propanoate (CAS 6337-70-8)
- 2-(4-Ethylphenyl)-N-isopropylquinolin-4-amine (CAS 853328-34-4)
- 2-Phenyl-1-(2-thioxopyrrolidin-1-yl)ethanone (CAS 121003-09-6)
- 2-(4-(Furan-2-carboxamido)phenoxy)acetic acid (CAS 312748-79-1)
- 2-(Bromomethyl)-7-chlorobenzo[d]thiazole (CAS 848696-95-7)
- 1-(7-methoxy-3,5-dimethyl-1-benzofuran-2-yl)ethan-1-amine (CAS 1094254-09-7)
- Semaglutide impurity 77 (CAS CATO-C4X-222677)
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