4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic Acid CAS 1823277-97-9
| CAS No. | 1823277-97-9 |
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic Acid (CAS 1823277-97-9), a certified reference material (molecular formula C5H4N2O4, MW 156.10 g/mol) for analytical method development and quality control.
Owing to a carbohydrate-derived structure, an amide group, 4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic Acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-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 | C5H4N2O4 |
| Molecular Weight | 156.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 4-Hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1442437-21-9)
- 6-Hydroxy-5-nitropyridin-2(1H)-one (CAS 16013-84-6)
- 3-Hydroxy-4-nitropyridine 1-oxide (CAS 19355-03-4)
- 2-Hydroxy-4-nitro-1H-pyrrole-3-carbaldehyde (CAS 263144-36-1)
- 4-Hydroxy-2-nitro-1H-pyrrole-3-carbaldehyde (CAS 263144-33-8)
- 4-Hydroxy-3-nitropyridine N-oxide (CAS 31872-57-8)
- 4-Hydroxy-6-oxo-1,6-dihydro-1,3,5-triazine-2-carboxamide (CAS 69391-08-8)
- 4-Hydroxy-2-oxo-2H-pyran-6-carboxylic Acid (CAS 108298-44-8)
Recommended Standards
- 1H-Imidazole-2,4-dicarboxylic acid (CAS 175874-61-0)
- 1-Methyl-4,5-dioxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 197652-34-9)
- 5-Ethynyl-1,2,3-trifluorobenzene (CAS 158816-55-8)
- (2S)-4,4,4-Trifluoro-2-methylbutanoic acid (CAS 868666-12-0)
- Dimethyl 5-(4-methoxyphenyl)-1H,3H-pyrrolo[1,2-c]thiazole-6,7-dicarboxylate 2,2-dioxide (CAS 339113-76-7)
- [ethyl(methyl)sulfamoyl]amine (CAS 154743-05-2)
- (S)-4-Methyl-2-(quinazolin-4-ylamino)pentanoic acid (CAS 55040-14-7)
- 2-(1,3-Benzothiazol-2-ylsulfanyl)cyclohex-1-ene-1-carbaldehyde (CAS 305343-16-2)
- Obeticholic Acid Impurity 22 (CAS CATO-C4X-115322)
- 3-Isopropyl-5,6,7,8-tetrahydropyrido[3,4-d]pyridazin-4(3H)-one (CAS 1447958-89-5)
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- Vinorelbine Impurity 17 (CAS CATO-C4X-264217)
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