Pyridine-3-sulfinic acid CAS 101084-77-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 101084-77-9 |
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Pyridine-3-sulfinic acid (CAS 101084-77-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5NO2S. Molecular weight: 143.16 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Pyridine Standards
- Pyridine-4-sulfinic acid (CAS 101084-78-0)
- Pyridine-2-sulfinic acid (CAS 766445-35-6)
- 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-3-carboxylate (CAS 1001907-72-7)
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- 3-Methoxy-4-methylisoxazole-5-carboxylic acid (CAS 1780322-20-4)
- 6-Oxo-1,2,5,6-tetrahydro-1,2,4-triazine-5-carbohydrazide (CAS 128070-25-7)
- 4,4,5,5-Tetramethyl-2-(4-methyl-3-((methylsulfonyl)methyl)phenyl)-1,3,2-dioxaborolane (CAS 2377611-56-6)
- 4-Chloro-N-(2-chloro-5-(trifluoromethyl)phenyl)benzamide (CAS 3847-67-4)
- 6-Fluoro-2h-chromene-3-carboxylic acid (CAS 452076-93-6)
- 2-chloro-4-(pyridin-3-yl)phenol (CAS 1214356-93-0)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com