Fluorescein di-β-D-galactopyranoside CAS 17817-20-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 17817-20-8 |
| Molecular Formula | C32H32O15 |
| Molecular Weight | 656.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Fluorescein di-β-D-galactopyranoside (CAS 17817-20-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C32H32O15. Molecular weight: 656.59 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C32H32O15 |
| Molecular Weight | 656.59 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Fluorescein Standards
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Recommended Standards
- Fmoc-Ser(GalNAc(Ac)3-b-D)-OH (B-4235.0025) (CAS 1676104-71-4)
- 1,1’-[(1R,2R)-cyclohexane-1,2-diyl]bis[3-[3,5-bis(trifluoromethyl)phenyl]thiourea] (CAS 743458-79-9)
- Fmoc-Ser(GalNAc(Ac)3-α-D)-OH (CAS 120173-57-1)
- Ethyl 2-(4-methylpiperidin-4-yl)acetate hydrochloride (CAS 2280998-71-0)
- 7-(Trifluoromethyl)1H-indole-2,3-dione (CAS 391-12-8)
- 6-Methylisochromane (CAS 182949-71-9)
- N-([1,1'-biphenyl]-3-yl)-9-phenyl-9H-carbazol-3-amine (CAS 1629589-23-6)
- 3-(3-(Carboxymethyl)-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)propanoic acid (CAS 1241800-35-0)
- 1-(2,4-dichlorophenyl)hexahydropyrimidine-2,4-dione (CAS 1535317-38-4)
- Casein kinase II peptide Substrate (CAS 154444-98-1)
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