(+)-Biotin-PEG3-acid CAS 252881-76-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 252881-76-8 |
| Molecular Formula | C19H33N3O7S |
| Molecular Weight | 447.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (+)-Biotin-PEG3-acid (CAS 252881-76-8) pharmaceutical standards reference standard. Molecular formula: C19H33N3O7S. Molecular weight: 447.55 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H33N3O7S |
| Molecular Weight | 447.55 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.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Biotin Standards
- Biotin-maleimide (CAS 116919-18-7)
- Biotin Impurity 33 (CAS 863203-60-5)
- Biotin-PEG4-yne (CAS 1262681-31-1)
- Biotin-PEG4-alkyne (CAS 1458576-00-5)
- Biotin-PEG3-SH (CAS 1244028-52-1)
- Biotin-PEG4-allyl (CAS 1643661-79-3)
- Biotin-PEG3-oxyamine (CAS 1786206-22-1)
- 2-(Biotin-amido)-1,3-bis-(C1-PEG1-acid) (CAS 2086689-02-1)
Recommended Standards
- N-(2-(2-hydroxynaphthalen-1-yl)-4-methoxy-3,5-dimethylphenyl)-4-methylbenzenesulfonamide (CAS 1832514-29-0)
- (2Z)-3-[3-(4-Cyclohexylphenyl)-1-phenyl-1H-pyrazol-4-yl]-2-(3-fluorophenyl)prop-2-enenitrile (CAS 956628-32-3)
- Fmoc-S-benzyl-DL-homocysteine (CAS 1452573-79-3)
- Ethyl 3-[(3-methylbutan-2-yl)amino]propanoate (CAS 1099610-39-5)
- 4-(Thiazolo[5,4-b]pyridin-2-yl)aniline (CAS 121717-35-9)
- 7-Methyl-2-oxa-7-azabicyclo[3.2.0]heptan-6-one (CAS 179472-59-4)
- 2-(Boc-amino)-2-(4-bromophenyl)acetic Acid (CAS 917925-71-4)
- Baloxavir Impurity 53 (CAS CATO-C4X-210853)
- Mugineic Acid (CAS 69199-37-7)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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