Biotin-PEG5-NH-Boc CAS 189209-28-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189209-28-7 |
| Molecular Formula | C27H50N4O9S |
| Molecular Weight | 606.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Biotin-PEG5-NH-Boc (CAS 189209-28-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C27H50N4O9S. Molecular weight: 606.77 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C27H50N4O9S |
| Molecular Weight | 606.77 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ceftolozane Impurity 22 (CAS CATO-C4X-240622)
- 5-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-3-[1-(2,4-dichlorophenyl)-3-methyl-5-oxo-1,2,4-triazolidin-3-yl]-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione (CAS 317822-54-1)
- Difelikefalin Impurity 69 (CAS CATO-C4X-304169)
- 3-Methyl-N-(2-methylbenzyl)butan-2-amine (CAS 1039815-81-0)
- (6R)-6-(hydroxymethyl)piperazin-2-one (CAS 205993-33-5)
- 2,8-Dichloro-7-nitro-1,5-naphthyridine (CAS 1366050-48-7)
- 3-Chloro-4-methylbenzaldehyde (CAS 3411-03-8)
- 2-(5-Fluoropyridin-3-yl)-8-isopropylpyrazolo[1,5-a][1,3,5]triazin-4(3H)-one (CAS 2247954-79-4)
- N-(5-amino-2-methoxyphenyl)tetrahydrofuran-2-carboxamide (CAS 926249-79-8)
- D-Ala18-Tirzepatide (CAS CATO-CPTD788916)
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