Pyridine-2-sulfinic acid CAS 766445-35-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 766445-35-6 |
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyridine-2-sulfinic acid (CAS 766445-35-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H5NO2S. Molecular weight: 143.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Pyridine Standards
- Pyridine-3-sulfinic acid (CAS 101084-77-9)
- Pyridine-4-sulfinic acid (CAS 101084-78-0)
- 3-Pyridine-5,6-13C2-carboxylic acid, 5-fluoro- (CAS 780701-97-5)
- Pyridine, 2-(1H-pyrrol-3-yl) (CAS 79560-99-9)
- 3-Pyridine-d (CAS 1035439-74-7)
- 2,6-Pyridine dimethanol (CAS 1195-59-1)
- pyridine-2,3,5,6-tetraamine (CAS 38926-45-3)
- Methyl pyridine-1(2H)-carboxylate (CAS 33707-36-7)
Recommended Standards
- Methyl isothiazole-4-carboxylate (CAS 56133-37-0)
- 1-Azido-4-fluorobenzene solution 3296-02-4 4-Fluorophenyl azide solution (CAS 3296-02-4)
- Methyl 2-Thiazolecarboxylate (CAS 55842-56-3)
- 4-(4-(Hydroxymethyl)piperidin-1-yl)benzonitrile (CAS 162997-46-8)
- Epalrestat-d5 (CAS 2755644-33-6)
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- 1-(2-nitrobenzoyl)piperazine hydrochloride (CAS 1573052-56-8)
- 2-methylimidazo[1,2-a]pyrimidine (CAS 6058-03-3)
- 4-tert-Butyl-2,6-dimethylphenylmagnesium bromide 0.5 M in Tetrahydrofuran (CAS 400656-18-0)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
Why CATO?
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