Choline p-Toluenesulfonate Salt CAS 55357-38-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 55357-38-5 |
| Molecular Formula | C12H20NO3S |
| Molecular Weight | 258.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Choline p-Toluenesulfonate Salt (CAS 55357-38-5) pharmaceutical standards reference standard. Molecular formula: C12H20NO3S. Molecular weight: 258.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H20NO3S |
| Molecular Weight | 258.36 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Choline Standards
- Choline impurity 3 (CAS 19249-04-8)
- Choline Fenofibrate Impurity 13 (CAS 134612-84-3)
- Choline fenofibrate Impurity 23 (CAS 154356-97-5)
- Choline Fenofibrate EP Impurity A (CAS 42019-78-3)
- Choline Fenofibrate Impurity 1 (CAS 2985-79-7)
- Choline Fenofibrate Impurity 29 (CAS CATO-C4X-101829)
- Choline impurity 10 (CAS CATO-C4X-158710)
- Choline fenofibrate Impurity 24 (CAS 51368-55-9)
Recommended Standards
- Emedastine Impurity 12 (CAS CATO-C4X-226712)
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- Revefenacin Impurity 48 (CAS CATO-C4X-203148)
- (S)-N-((1-Ethylpyrrolidin-2-yl)methyl)-4-methoxy-2-methylpyrimidine-5-carboxamide (CAS 72412-31-8)
- 4-Nitro-1-nonyl-1h-pyrazole (CAS 1240574-00-8)
- N-Isobutylformamide, 97% (CAS 6281-96-5)
- 4-(3-Aminopropyl)-5-(3-methoxynaphthalen-2-yl)-1H-pyrazol-3(2H)-one (CAS 881040-86-4)
- 4-(2-Bromoethyl)-1-phenyl-1h-pyrazole (CAS 1339901-18-6)
- 1,5-Dimethylpyrazin-2(1H)-one (CAS 74879-12-2)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com