5-Hydroxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde CAS 590410-65-4
| CAS No. | 590410-65-4 |
| Molecular Formula | C6H8N2O2 |
| Molecular Weight | 140.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Hydroxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde.
5-Hydroxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde (CAS 590410-65-4), molecular formula C6H8N2O2 and molecular weight 140.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H8N2O2, 5-Hydroxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde 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 140.14 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).
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), 5-Hydroxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde 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 | C6H8N2O2 |
| Molecular Weight | 140.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- N’-hydroxy-2-(1H-pyrazol-1-yl)ethanimidamide (CAS 1158119-05-1)
- N’-Hydroxy-1-methylpyrazole-4-carboximidamide (CAS 1158133-29-9)
- 2-Hydroxy-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one (CAS 1334486-81-5)
- N’-hydroxy-1-methyl-1H-pyrazole-3-carboximidamide (CAS 1345124-49-3)
- (+)-2-(1-Hydroxy-ethyl)-pyrimidin-5-ol (CAS 1460321-44-1)
- 3-Hydroxy-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-2-one (CAS 189574-94-5)
- 1-(2-Hydroxy-4-methyl-1H-imidazol-5-yl)ethan-1-one (CAS 53064-61-2)
- 1-(2-Hydroxy-5-methylfuran-3-yl)ethanone (CAS 318511-77-2)
Recommended Standards
- 5-Ethylpyrimidine-4,6-diol (CAS 3603-15-4)
- 5-Hydroxy-2,6-dimethylpyridazin-3(2H)-one (CAS 869357-37-9)
- 5-Ethyl-1H-pyrazole-3-carboxylic acid (CAS 4027-59-2)
- 5-Hydroxy-2,6-dimethylpyrimidin-4(1H)-one (CAS 412003-94-2)
- 5-(2,2-Dimethyl-1,3-dioxolan-4-yl)-3,4-dihydroxyfuran-2(5H)-one (CAS 860649-42-9)
- 1-Acetyl-3-hydroxyazetidine (CAS 118972-96-6)
- 2-(4-Chloro-7-methoxy-1H-indol-3-yl)acetic acid (CAS 1227593-53-4)
- 1-(4'-Propyl-[1,1'-biphenyl]-4-yl)ethan-1-one (CAS 60137-92-0)
- Ruxolitinib Impurity 14 (CAS CATO-C4X-205814)
- 2-(3-Amino-1h-1,2,4-triazol-1-yl)acetamide (CAS 1179862-11-3)
- 2-Bromo-6,7-dihydro-pyrrolo[3,4-b]pyridin-5-one (CAS 1823921-07-8)
- Ethyl 4-(3-(2-hydroxyethyl)imidazolidin-1-yl)benzoate (CAS 7494-28-2)
- 2-Ethoxy-5-methylaniline (CAS 6331-70-0)
- A-18-F-NH2; Morphine Modulating Neuropeptide (CAS 99588-52-0)
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