29965-34-2 Benzenesulfonic acid, 4-ethenyl-, ammonium salt (1:1), homopolymer Benzenesulfonic acid, 4-ethenyl-, ammonium salt, homopolymer p-Styrenesulfonic acid, ammonium salt, homopolymer CAS 29965-34-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 29965-34-2 |
| Molecular Formula | C8H7O3S H4N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
29965-34-2 Benzenesulfonic acid, 4-ethenyl-, ammonium salt (1:1), homopolymer Benzenesulfonic acid, 4-ethenyl-, ammonium salt, homopolymer p-Styrenesulfonic acid, ammonium salt, homopolymer (CAS 29965-34-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7O3S H4N. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7O3S H4N |
| Molecular Weight | 201.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Amino-1-(4-fluorobenzyl)pyrrolidin-2-one (CAS 1247800-80-1)
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- 2-Fluoro-3-methoxy-4-phenylpyridine (CAS 1806393-08-7)
- 2-Chloro-4-methoxyphenol (CAS 18113-03-6)
- 1-[4-(4-Chloro-6-methyl-pyrimidin-2-yl)-piperidin-1-yl]-ethanone (CAS 1316223-78-5)
- 2-[(1-Phenyl-1H-tetrazol-5-yl)thio]propanohydrazide (CAS 369635-28-9)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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