Biotin-PEG2-NHS ester CAS 596820-83-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 596820-83-6 |
| Molecular Formula | C21H32N4O8S |
| Molecular Weight | 500.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Biotin-PEG2-NHS ester (CAS 596820-83-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H32N4O8S. Molecular weight: 500.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H32N4O8S |
| Molecular Weight | 500.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 1048327-84-9 Oxalic acid--N-[(2H-1,3-benzodioxol-5-yl)methyl]-2-phenylethan-1-amine (1/1) DTXSID20589529 (CAS 1048327-84-9)
- 4-Chloro-2-(methylthio)-5-thiazolecarbonitrile (CAS 120891-11-4)
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- Cholesterol Impurity 17 (CAS 14214-69-8)
- Levosimendan Impurity 20 (CAS 131741-37-2)
- Urotensin II-Related Peptide (human, mouse, rat) (CAS 342878-90-4)
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