n-(1-Methyl-1h-pyrazol-5-yl)methanesulfonamide CAS 1249489-23-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1249489-23-3 |
| Molecular Formula | C5H9N3O2S |
| Molecular Weight | 175.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
n-(1-Methyl-1h-pyrazol-5-yl)methanesulfonamide (CAS 1249489-23-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H9N3O2S. Molecular weight: 175.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H9N3O2S |
| Molecular Weight | 175.21 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 4-amino-N-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-5-yl]butanamide (CAS 2421217-06-1)
- 1-(Cyclopropylmethyl)piperidin-4-one (CAS 49682-96-4)
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- Europium(III) sodium 2,2',2'',2'''-(((4'-(4'-amino-[1,1'-biphenyl]-4-yl)-[2,2':6',2''-terpyridine]-6,6''-diyl)bis(methylene))bis(azanetriyl))tetraacetate (CAS 601494-52-4)
- (4'-Bromo-[1,1'-biphenyl]-3-yl)(methyl)sulfane (CAS 1191616-75-7)
- (4R,5S)-4-Ethyl-5-methyl-4,5-dihydrooxazol-2-amine (CAS 599206-77-6)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
Why CATO?
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