1-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid CAS 1134555-25-1
| CAS No. | 1134555-25-1 |
| Molecular Formula | C10H14N2O4S |
| Molecular Weight | 258.29 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 1-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid.
1-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid (CAS 1134555-25-1), molecular formula C10H14N2O4S and molecular weight 258.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H14N2O4S, 1-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.29 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), 1-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl)-3,5-dimethyl-1H-pyrazole-4-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 | C10H14N2O4S |
| Molecular Weight | 258.29 g/mol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dioxo Standards
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Recommended Standards
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- Methyl (R)-2-(tosyloxy)propanoate (CAS 109579-04-6)
- 4-(4-Fluorophenyl)-6-(piperazin-1-yl)pyrimidine (CAS 1143577-57-4)
- 2-chloro Palmitic Acid (CAS 19117-92-1)
- 4-[(tert-Butyldimethylsilyl)oxy]-2,6-dimethylphenylboronic acid (CAS 858096-68-1)
- Zinc(II) 2,2-dimethyloctanoate (CAS 28722-17-0)
- 8-Chloro-2-(furan-2-yl)quinoline-4-carboxylic acid (CAS 52413-55-5)
- 5-((2-Fluorophenoxy)methyl)-4-hexyl-4h-1,2,4-triazole-3-thiol (CAS 522624-45-9)
- Ethyl 5-amino-4-chloro-1-cyclohexyl-1H-pyrazole-3-carboxylate (CAS 1427022-35-2)
- 8-Hydroxy-6-oxo-1,3,4,6-tetrahydro-2H-quinolizine-9-carboxylic acid (CAS 61486-98-4)
- 3-(2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-oxoethyl)-5-isobutylimidazolidine-2,4-dione (CAS 1164096-76-7)
- 3-(4-Methylbenzenesulfonyl)quinolin-2-amine (CAS 866019-17-2)
- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
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