Fluorescein Biotin (Technical Grade) CAS 134759-22-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 134759-22-1 |
| Molecular Formula | C42H50N6O8S2 |
| Molecular Weight | 831.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Fluorescein Biotin (Technical Grade) (CAS 134759-22-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C42H50N6O8S2. Molecular weight: 831.01 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C42H50N6O8S2 |
| Molecular Weight | 831.01 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
Related Fluorescein Standards
- Fluorescein-PEG6-NHS ester (CAS 1818294-35-7)
- Fluorescein mercuric acetate (CAS 3570-80-7)
- FMA-Fluorescein Mercuric Acetate (CAS 32382-27-7)
- Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone (CAS 1926163-69-0)
- Fluorescein-PEG5-NHS ester (CAS 2353409-62-6)
- Fluorescein-6-carbonyl-Asp(OMe)-Glu(OMe)-Val-DL-Asp(OMe)-fluoromethylketone (CAS 1926163-65-6)
- Fluorescein-6-carbonyl-Leu-Glu(OMe)-His-DL-Asp(OMe)-fluoromethylketone (N-1910.0500) (CAS 1926163-67-8)
- Fluorescein-thiourea-PEG6-acid (CAS 2055014-69-0)
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- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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