3',6'-Dihydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide CAS 4424-03-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4424-03-7 |
| Molecular Formula | C19H12O6S |
| Molecular Weight | 368.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3',6'-Dihydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide (CAS 4424-03-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H12O6S. Molecular weight: 368.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H12O6S |
| Molecular Weight | 368.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2,3-Dihydro-2-N-acetyl-1',2'-di-O-acetyl-biopterin-d3 (CAS 1346597-41-8)
- VU 0409106 (CAS 1276617-62-9)
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- 2,9-Didecylnaphtho[2,3-b]naphtho[2',3':4,5]thieno[2,3-d]thiophene (CAS 1169932-40-4)
- 2-Amino-2-(m-tolyl)ethanol hydrochloride (CAS 2055841-56-8)
- 2-Amino-3-(3-fluoro-4-methoxyphenyl)propanenitrile (CAS 1437433-68-5)
- Angiotensin II Receptor Ligand (CAS 127060-75-7)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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