Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic Acid CAS 63237-87-6
| CAS No. | 63237-87-6 |
| Molecular Formula | C9H6N2O4 |
| Molecular Weight | 206.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic Acid (CAS 63237-87-6), a certified reference material (molecular formula C9H6N2O4, MW 206.15 g/mol) for analytical method development and quality control.
Structurally, Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic Acid (C9H6N2O4) 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 206.15 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic 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 | C9H6N2O4 |
| Molecular Weight | 206.15 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.) | 1975 |
| Nitrogen Atoms | 2 |
Related Pyrazolo Standards
- Pyrazolo[1,5-a]pyridine-3,5-dicarboxylic acid (CAS 1352892-43-3)
- 1H-PYRAZOLO[3,4-B]PYRIDINE, 5-BROMO- 5-BROMO-1H-PYRAZOLO[3,4-B]PYRIDINE 5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE 875781-17-2 ABBYPHARMA AP-12-10395 BC004306 (CAS 875781-17-2)
- pyrazolo[5,1-a]isoquinoline-1-carbaldehyde (CAS 2766427-89-6)
- 1H-Pyrazolo[3,4-d]pyrimidine-3-carbonitrile, 6-amino-4-chloro-1-methyl- (CAS 2935432-21-4)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)pyrrolidin-3-amine (CAS 1565830-81-0)
- 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-chloro-3-fluoro-1,6-dihydro-1-methyl- (CAS 2445845-24-7)
- 2-(1H-Pyrazolo[3,4-b]pyridin-3-yl)thiazole (CAS 918484-79-4)
- 2-(Pyrazolo[1,5-a]pyridin-3-yl)cyclopropanecarboxylic acid (CAS 1707369-57-0)
Recommended Standards
- N-Methyl-4-nitrophthalimide (CAS 41663-84-7)
- (5,7-Dioxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl)acetic acid 1644AE 36239-67-5 C9H6N2O4 (CAS 36239-67-5)
- Methyl 4-cyano-2-nitrobenzoate (CAS 52449-76-0)
- (2S,3R)-3-hydroxybutane-1,2,3-tricarboxylic acid 71183-66-9 CHEBI:15607 (CAS 71183-66-9)
- 3-Bromo-2,4-dimethyl-5-phenylthiophene (CAS 362513-28-8)
- Clobetasol Propionate Related Compound 1 (CAS 61618-89-1)
- 4-(Cyclopentylmethoxy)aniline (CAS 946729-84-6)
- 5-((3-Methylbenzyl)thio)pentan-2-one (CAS 1340171-37-0)
- 1,3,7-Trihydroxy-2-methoxy-9H-xanthen-9-one (CAS 211948-69-5)
- (3S,4R)-1-Benzyl-3-(2-fluoro-5-methylphenyl)-4-nitropyrrolidine (CAS 1351344-16-5)
- 2-Amino-4-(3-fluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 315246-15-2)
- (R)-2-(2,4-dimethoxyphenyl)-2-(methylamino)ethan-1-ol (CAS 1336329-31-7)
- 2-[(4-Methoxyphenyl)methanesulfonyl]-4,5-diphenyl-1-(prop-2-yn-1-yl)-1H-imidazole (CAS 339277-83-7)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
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