3-Methylisoxazole-4-sulfonic acid CAS 747406-57-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 747406-57-1 |
| Molecular Formula | C4H5NO4S |
| Molecular Weight | 163.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methylisoxazole-4-sulfonic acid (CAS 747406-57-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5NO4S. Molecular weight: 163.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5NO4S |
| Molecular Weight | 163.15 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.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylisoxazole Standards
- 5-Methylisoxazole-4-sulfonic acid (CAS 773051-56-2)
- 5-Methylisoxazole-3,4-dicarboxamide (CAS 400077-37-4)
- 3-Ethyl-5-methylisoxazole-4-carbohydrazide (CAS 1094733-72-8)
- 3-Ethyl-5-methylisoxazole-4-carboxylic acid (CAS 17147-85-2)
- 3-Ethyl-4-methylisoxazole-5-carboxylic acid (CAS 874289-75-5)
- Ethyl 3-methylisoxazole-4-carboxylate (CAS 20328-15-8)
- Ethyl 4-methylisoxazole-3-carboxylate (CAS 38061-69-7)
- Ethyl 4-methylisoxazole-5-carboxylate (CAS 261350-50-9)
Recommended Standards
- 3-Fluoroquinolin-7-ol (CAS 288384-55-4)
- 4-(3-Fluorophenyl)oxazole (CAS 620971-54-2)
- 3-Fluoroquinolin-6-ol (CAS 808755-53-5)
- 2-Methyl-2-(2-methylphenyl)cyclopropan-1-amine hydrochloride (CAS 1354951-37-3)
- 7′-Bromo-3′,4′-dihydrospiro[1,3-dioxolane-2,1′(2′H)-naphthalene] (CAS 111773-13-8)
- 4-(2-Methyl-piperidin-1-yl)-phenylamine (CAS 78335-25-8)
- 4,6-Dichloropyrazolo[1,5-a]pyridine-3-carbonitrile (CAS 2642164-54-1)
- (4-(1H-imidazol-1-yl)-2-methylphenyl)boronic acid (CAS 2225169-72-0)
- N-(2-(pyridin-3-yl)pyrimidin-4-yl)isobutyramide (CAS 866143-36-4)
- (DTyr27,36,DThr32)-Neuropeptide Y (27-36) (CAS 163887-48-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com