Poly(4-styrenesulfonic acid) lithium salt CAS 9016-91-5
| CAS No. | 9016-91-5 |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of N/A g/mol gives Poly(4-styrenesulfonic acid) lithium salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Poly(4-styrenesulfonic acid) lithium salt (CAS 9016-91-5), molecular formula N/A and molecular weight N/A g/mol, is a CATO reference standard with documented purity and traceability.
Poly(4-styrenesulfonic acid) lithium salt is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Poly(4-styrenesulfonic acid) lithium salt meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | AO3S C6H6 C2H3A Li |
| Molecular Weight | 192.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 1 |
Recommended Standards
- 8-Benzyl-1,8-diazaspiro[4.5]decan-2-one (CAS 1031928-36-5)
- tert-Butyl (S)-3-(4-methylbenzyl)piperazine-1-carboxylate (CAS 1240589-44-9)
- Spiro-TTB (CAS 515834-67-0)
- 5-Methyl-4-(trifluoromethyl)-1h-imidazole-2-carbaldehyde (CAS 1171125-37-3)
- 5,6,7,8-Tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-9-ol (CAS 99131-44-9)
- Methyl N-(2-cyano-4,5-dimethoxyphenyl)-N'-(3,4-dichlorobenzyl)carbamimidothioate (CAS 692287-57-3)
- Tert-butyl indoline-2-carboxylate (CAS 1218501-71-3)
- 2-([1,1'-Biphenyl]-4-yl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid (CAS 655222-78-9)
- 4-(4-Chlorophenyl)-2-(cyclohexylamino)-4-oxobutanoic acid (CAS 1025101-05-6)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
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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