1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) CAS 1861353-54-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1861353-54-9 |
| Molecular Formula | C4H5N2NaO2S |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) (CAS 1861353-54-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5N2NaO2S. Molecular weight: 168.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5N2NaO2S |
| Molecular Weight | 168.15 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Dihydropyrrolo[1,2-a]pyrazine-1,3,6(2H,4H,7H)-trione (CAS 185757-19-1)
- 4-Bromo-2,3-difluorophenoxy(tert-butyl)dimethylsilane (CAS 1881320-68-8)
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- 7-Bromo-5-methyl-5H-pyrrolo[2,3-b]pyrazine (CAS 1289002-49-8)
- 4'-Ethoxy-4-propyl-5,6-dihydro-[1,1'-biphenyl]-3(4H)-one (CAS 177652-31-2)
- methyl 2-(piperidin-1-yl)benzoate (CAS 81215-42-1)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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