1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-3-carboxylic acid CAS 1708428-45-8
| CAS No. | 1708428-45-8 |
| Molecular Formula | C12H13N5O2S |
| Molecular Weight | 291.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 1708428-45-8), a certified reference material (molecular formula C12H13N5O2S, MW 291.33 g/mol) for analytical method development and quality control.
Structurally, 1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-3-carboxylic acid (C12H13N5O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 291.33 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), 1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-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 | C12H13N5O2S |
| Molecular Weight | 291.33 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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