Hydroxy(1H-imidazol-2-yl)methanesulfinic acid CAS 950820-61-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 950820-61-8 |
| Molecular Formula | C4H6N2O3S |
| Molecular Weight | 162.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Hydroxy(1H-imidazol-2-yl)methanesulfinic acid (CAS 950820-61-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H6N2O3S. Molecular weight: 162.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H6N2O3S |
| Molecular Weight | 162.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
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- Ethyl 3-hydroxy-4-methoxybutanoate (CAS 199190-60-8)
- 6-Hydroxy-1H-pyrrolo[3,2-c]pyridine-3-carbaldehyde (CAS 1098024-46-4)
- 7-Hydroxy-1H-pyrrolo[2,3-c]pyridine-3-carbaldehyde (CAS 1190314-56-7)
- 4-Hydroxy-1h-pyrrolo[2,3-b]pyridine-3-carboxaldehyde (CAS 1190314-66-9)
Recommended Standards
- Butyl ethenyl(methyl)phosphinate (CAS 5238-94-8)
- 5-Methanesulfonyl-4h-1,2,4-triazol-3-amine (CAS 88982-32-5)
- Metronidazole Impurity 27 (CAS 34916-84-2)
- 1-(Pyrimidin-2-yl)-1H-pyrazol-4-amine (CAS 1156601-73-8)
- (1R,4S,5R)-rel-2-Boc-2-azabicyclo[2.1.1]hexane-5-carboxylic acid (CAS 615575-80-9)
- (R)-Ethyl pyrrolidine-2-carboxylate hydrochloride (CAS 131477-20-8)
- (Z)-3-(((4-chlorobutanoyl)oxy)imino)-1-phenylindolin-2-one (CAS 478261-24-4)
- 5-Methylheptan-2-amine hydrochloride (CAS 1379900-97-6)
- 3-(Difluoromethyl)-5-iodo-2-(trifluoromethyl)pyridin-4-amine (CAS 1806894-34-7)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
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