Tos-PEG4-THP CAS 86259-89-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 86259-89-4 |
| Molecular Formula | C20H32O8S |
| Molecular Weight | 432.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Tos-PEG4-THP (CAS 86259-89-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H32O8S. Molecular weight: 432.53 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H32O8S |
| Molecular Weight | 432.53 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Sulfur Atoms | 1 |
Recommended Standards
- Tos-PEG4-t-butyl ester (CAS 217817-01-1)
- N-(4-(N-(2-(4-(4-Methoxyphenyl)piperazin-1-yl)ethyl)sulfamoyl)phenyl)acetamide (CAS 1049434-62-9)
- Ilepatril (CAS 473289-62-2)
- 3-Acetyl-7,8-dichloroquinolin-4(1H)-one (CAS 1216041-18-7)
- 6-Chloro-1-(2-oxopropyl)quinolin-4(1H)-one (CAS 1211629-36-5)
- 4-(2-Benzyl-2H-tetrazol-5-yl)aniline (CAS 210467-75-7)
- (1R,4r)-4-(azidomethyl)cyclohexane-1-carboxylic acid (CAS 170811-10-6)
- (±)-1,2-Propanediol-d8 (CAS 80156-55-4)
- (S)-(2R,3R,4R,5R)-L-Sofosbuvir Isomer (CAS 1337482-15-1)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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