4-(4-Nitro-1H-pyrazol-1-yl)tetrahydro-2H-thiopyran 1,1-dioxide CAS 1639350-77-8
| CAS No. | 1639350-77-8 |
| Molecular Formula | C8H11N3O4S |
| Molecular Weight | 245.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-Nitro-1H-pyrazol-1-yl)tetrahydro-2H-thiopyran 1,1-dioxide 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.
CATO supplies 4-(4-Nitro-1H-pyrazol-1-yl)tetrahydro-2H-thiopyran 1,1-dioxide (CAS 1639350-77-8), a certified reference material (molecular formula C8H11N3O4S, MW 245.26 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-(4-Nitro-1H-pyrazol-1-yl)tetrahydro-2H-thiopyran 1,1-dioxide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 245.26 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.
Physical & Chemical Properties
| Molecular Formula | C8H11N3O4S |
| Molecular Weight | 245.26 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.) | 1993 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitro Standards
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Recommended Standards
- 3-(5-Amino-1,3,4-thiadiazol-2-yl)-2H-chromen-2-one (CAS 156177-02-5)
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- 4-Amino-4-(3-methylisoxazol-5-yl)but-3-en-2-one (CAS 65735-19-5)
- tert-Butyl N-[3-(4-cyanophenyl)oxetan-3-yl]carbamate (CAS 1158098-77-1)
- 5-Formyl-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 221323-55-3)
- N-(4-methylpyridin-2-yl)piperidine-4-carboxamide (CAS 865078-92-8)
- 2-(3-Chlorophenyl)benzo[d]oxazole-5-carbaldehyde (CAS 1267406-76-7)
- 3-[(1-Phenylethyl)amino]propanamide (CAS 740019-35-6)
- 3-(5-((4-Methylpiperazin-1-yl)methyl)thiophen-3-yl)prop-2-yn-1-amine (CAS 1306694-81-4)
- Iron(III) octanoate (CAS 3130-28-7)
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