1-2-4-6-Tetra-O-acetyl-3-O-(2-3-4-6-tetra-O-acetyl-α-D-galactopyranosyl)-D-galactopyranose CAS 123809-61-0
| CAS No. | 123809-61-0 |
| Molecular Formula | C28H38O19 |
| Molecular Weight | 678.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-2-4-6-Tetra-O-acetyl-3-O-(2-3-4-6-tetra-O-acetyl-α-D-galactopyranosyl)-D-galactopyranose (CAS 123809-61-0) is a high-purity analytical reference standard with the molecular formula C28H38O19 and a molecular weight of 678.59 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 1-2-4-6-Tetra-O-acetyl-3-O-(2-3-4-6-tetra-O-acetyl-α-D-galactopyranosyl)-D-galactopyranose is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 678.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1-2-4-6-Tetra-O-acetyl-3-O-(2-3-4-6-tetra-O-acetyl-α-D-galactopyranosyl)-D-galactopyranose under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C28H38O19 |
| Molecular Weight | 678.59 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
Related Tetra Standards
- 4-O-(2,3,4,6-Tetra-O-acetyl-α-D-mannopyranosyl)-D-mannopyranose Tetraacetate (CAS 123809-59-6)
- 1-2-3-6-Tetra-O-acetyl-4-O-(2-3-4-6-tetra-O-acetyl-β-D-galactopyranosyl)-D-mannopyranose (CAS 20880-65-3)
- 1-2-4-6-Tetra-O-acetyl-3-O-(2-3-4-6-tetra-O-acetyl-β-D-glucopyranosyl)-α-D-glucopyranose (CAS 51157-42-7)
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Recommended Standards
- Acetyl 6-O-(2,3,4,6-Tetra-O-acetyl-α-D-mannopyranosyl)-2,3,4-tri-O-acetyl-D-mannopyrannose (CAS 123809-60-9)
- 5-Fluoro-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 1480-99-5)
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- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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 18665070610 / Nicole.chen@cato-chem.com