1-(Methyl-d3)-1H-pyrazole-5-carboxylic acid CAS 2725870-82-4
| CAS No. | 2725870-82-4 |
| Molecular Formula | - |
| Molecular Weight | 129.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 129.13 g/mol gives 1-(Methyl-d3)-1H-pyrazole-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(Methyl-d3)-1H-pyrazole-5-carboxylic acid (CAS 2725870-82-4), molecular formula C5H3D3N2O2 and molecular weight 129.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(Methyl-d3)-1H-pyrazole-5-carboxylic acid (C5H3D3N2O2) contains deuterium isotope labeling, an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 129.13 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 1-(Methyl-d3)-1H-pyrazole-5-carboxylic 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 | C5H3D3N2O2 |
| Molecular Weight | 129.13 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) | 5.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 2 |
Recommended Standards
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