Methyl 3-hydroxy-4-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylate CAS 1439441-57-2
| CAS No. | 1439441-57-2 |
| Molecular Formula | C9H9N3O3 |
| Molecular Weight | 207.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9N3O3, Methyl 3-hydroxy-4-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO supplies Methyl 3-hydroxy-4-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylate (CAS 1439441-57-2), a certified reference material (molecular formula C9H9N3O3, MW 207.19 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 3-hydroxy-4-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylate 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 | C9H9N3O3 |
| Molecular Weight | 207.19 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.) | 1991 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 5-Hydroxy-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 112734-82-4)
- 7-Hydroxy-2,5-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1158262-66-8)
- 7-Hydroxy-5,6-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1284618-26-3)
- Ethyl 4-hydroxy-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate (CAS 187724-99-8)
- 1-Ethyl-4-hydroxy-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 30720-05-9)
- 6-Hydroxy-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 59588-20-4)
- N-Hydroxy-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetimidamide (CAS 874764-90-6)
- N-(5-Hydroxy-2-oxo-2,3-dihydrobenzofuran-3-yl)acetamide (CAS 189312-65-0)
Recommended Standards
- 6-Methoxy-1-methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1427502-46-2)
- 5-Hydrazinyl-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 1447965-85-6)
- Methyl 2-(3-(furan-2-yl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1416342-30-7)
- 4-methoxy-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1461706-97-7)
- Methyl 4-Chloro-2-methoxynicotinate (CAS 1256826-55-7)
- Sulfaquinoxaline-13C6 (CAS 1202864-52-5)
- (s)-2-Bromo-4-(1-hydroxyethyl)-6-methoxyphenol (CAS 1932342-44-3)
- N-Methylprolinol (CAS 3554-65-2)
- 2’,3’-Dihydro-1’H-spiro[cyclopropane-1,4’-isoquinolin]-6’-ol (CAS 1368686-14-9)
- 2-(Chloromethyl)-4-(difluoromethyl)-5-hydroxy-3-iodopyridine (CAS 1806941-08-1)
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- Benzyl (S)-5-methyl-1,4-diazepane-1-carboxylate (CAS 1001401-61-1)
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