4-O-(b-D-Galactopyranosyl)-D-galactopyranose CAS 2152-98-9
| CAS No. | 2152-98-9 |
| Molecular Formula | C12H22O11 |
| Molecular Weight | 342.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-O-(b-D-Galactopyranosyl)-D-galactopyranose (C12H22O11) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO supplies 4-O-(b-D-Galactopyranosyl)-D-galactopyranose (CAS 2152-98-9), a certified reference material (molecular formula C12H22O11, MW 342.30 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-O-(b-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 | C12H22O11 |
| Molecular Weight | 342.30 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 3-O-α-D-Mannopyranosyl-D-mannopyrannose (CAS 23745-85-9)
- 4-O-(α-D-Galactopyranosyl)-D-galactose (CAS 80446-85-1)
- 3-O-(b-D-Mannopyranosyl)-D-mannopyranose (CAS 50692-75-6)
- 4-O-α-D-Mannopyranosyl-D-mannose (CAS 35438-40-5)
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- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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