1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-sulfinic acid, lithium salt CAS 2281768-06-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2281768-06-5 |
| Molecular Formula | C8H12N2O3S Li |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-sulfinic acid, lithium salt (CAS 2281768-06-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H12N2O3S Li. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H12N2O3S Li |
| Molecular Weight | 223.19 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (2S,4S)-6-Fluoro-2',5'-dioxospiro[chroman-4,4'-imidazolidine]-2-carboxylic acid (CAS 136087-84-8)
- 2-(2-Amino-3-(difluoromethyl)-5-nitropyridin-4-yl)acetonitrile (CAS 1805013-19-7)
- 1-(4-Fluorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1018498-97-9)
- 1,1,4,4,5,5,8,8-Octamethyl-1,2,3,4,5,6,7,8-octahydroanthracene (CAS 22306-30-5)
- 4-[(2-methylquinolin-4-yl)methoxy]benzoic acid (CAS 362488-51-5)
- Pirarubicin impurity 6 (CAS CATO-C4X-24686)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
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