2303-01-7
3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
3-cresolpurple
4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide
4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide
cresol purple
cresolpurple(non-specificname)
m-cresolsulfonphthalein
phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide
phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide
pourpredem-cresol CAS 2303-01-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2303-01-7 |
| Molecular Formula | C21H30O5S |
| Molecular Weight | 394.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2303-01-7
3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
3-cresolpurple
4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide
4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide
cresol purple
cresolpurple(non-specificname)
m-cresolsulfonphthalein
phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide
phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide
pourpredem-cresol (CAS 2303-01-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H30O5S. Molecular weight: 394.52 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H30O5S |
| Molecular Weight | 394.52 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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