2-{3-methyl-5-nitro-1H-pyrazolo[3,4-b]pyridin-1-yl}acetic acid CAS 1011398-78-9
| CAS No. | 1011398-78-9 |
| Molecular Formula | C9H8N4O4 |
| Molecular Weight | 236.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-{3-methyl-5-nitro-1H-pyrazolo[3,4-b]pyridin-1-yl}acetic acid (CAS 1011398-78-9), molecular formula C9H8N4O4 and molecular weight 236.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-{3-methyl-5-nitro-1H-pyrazolo[3,4-b]pyridin-1-yl}acetic acid (C9H8N4O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 236.18 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 2-{3-methyl-5-nitro-1H-pyrazolo[3,4-b]pyridin-1-yl}acetic acid 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.
Physical & Chemical Properties
| Molecular Formula | C9H8N4O4 |
| Molecular Weight | 236.18 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.) | 1988 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- Pemafibrate Impurity 94 (CAS CATO-C4X-290394)
- Ethyl 6-nitropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 105411-95-8)
- Elagolix Impurity 40 (CAS 830346-46-8)
- 7-Methoxy-5-nitroindole-2-carboxylic Acid (CAS 1082041-82-4)
- 1-Allyl-2-ethoxy-4-fluorobenzene (CAS 1378501-99-5)
- 2-(4-Bromo-2-(trifluoromethoxy)phenyl)acetic acid (CAS 509142-74-9)
- 2-Bromo-1-(6-(trifluoromethyl)pyridin-3-yl)ethanone (CAS 1379332-23-6)
- 6-Hydroxy-2-propyl-2H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1018166-21-6)
- 1,3-Dioctylthiourea (CAS 34853-57-1)
- Difamilast Impurity 1 (CAS 1574285-40-7)
- 436088-60-7 5-Oxo-5-(3-oxo-3,4-dihydro-2H-quinoxalin-1-yl)-pentanoic acid 5-oxo-5-(3-oxo-3,4-dihydro-2 h-quinoxalin-1-yl)-pentanoic acid 5-oxo-5-(3-oxo-3,4-dihydro-2h-quinoxalin-1-yl)pentanoic acid (CAS 436088-60-7)
- 4-Bromo-2,6-dichlorobenzamide (CAS 1209458-87-6)
- n-Benzyl-2,2,5,5-tetramethyloxolan-3-amine (CAS 1432679-03-2)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
Why CATO?
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