1H-Pyrazolo[4,3-c]pyridine 5-oxide CAS 871836-50-9
| CAS No. | 871836-50-9 |
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.12 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.
1H-Pyrazolo[4,3-c]pyridine 5-oxide (CAS 871836-50-9) is a high-purity analytical reference standard with the molecular formula C6H5N3O and a molecular weight of 135.12 g/mol.
Based on its molecular formula C6H5N3O, 1H-Pyrazolo[4,3-c]pyridine 5-oxide contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 135.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 1H-Pyrazolo[4,3-c]pyridine 5-oxide 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 | C6H5N3O |
| Molecular Weight | 135.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related H Standards
- Pyrazolo[1,5-a]pyrimidin-5(1H)-one (CAS 1027534-43-5)
- pyrazolo[1,5-a]pyrimidin-6-ol (CAS 1580489-59-3)
- 1H-Pyrazolo[3,4-b]pyridin-1-ol (CAS 159487-16-8)
- 1H-Pyrazolo[3,4-b]pyridine 7-oxide (CAS 924909-11-5)
- 1H-Pyrazolo[3,4-c]pyridin-3(2H)-one, 97% (CAS 53975-70-5)
- 1H-Pyrazolo[4,3-b]pyridin-3(2H)-one (CAS 51617-92-6)
- 1H-Pyrazolo[4,3-b]pyridin-7(4H)-one (CAS 94220-42-5)
- 2H-Pyrazolo[3,4-c]pyridin-7(6H)-one (CAS 918882-26-5)
Recommended Standards
- 1H-Pyrrolo[2,3-d]pyrimidin-6-ol (CAS 89487-98-9)
- 1H-pyrrolo[3,2-d]pyrimidin-4-ol (CAS 39455-99-7)
- 1H-Pyrrolo[3,4-d]pyrimidin-4-ol (CAS 39455-98-6)
- 2-(6-Oxopyrimidin-1(6H)-yl)acetonitrile (CAS 218921-35-8)
- 3'-(Pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-ol (CAS 1261999-62-5)
- Ethyl 2,2-difluoro-3-(4-fluorophenyl)-3-hydroxypropanoate (CAS 321856-40-0)
- 1-(Pyridin-2-yl)heptadecan-1-one (CAS 885955-07-7)
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