3-4-O-Isopropylidene-1-2-di-O-methyl-α-D-galactopyranoside CAS 34698-22-1
| CAS No. | 34698-22-1 |
| Molecular Formula | C11H20O6 |
| Molecular Weight | 248.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-4-O-Isopropylidene-1-2-di-O-methyl-α-D-galactopyranoside (CAS 34698-22-1) is a high-purity analytical reference standard with the molecular formula C11H20O6 and a molecular weight of 248.27 g/mol.
The molecular framework of 3-4-O-Isopropylidene-1-2-di-O-methyl-α-D-galactopyranoside (C11H20O6) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
CATO manufactures 3-4-O-Isopropylidene-1-2-di-O-methyl-α-D-galactopyranoside 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 | C11H20O6 |
| Molecular Weight | 248.27 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1966 |
Related O Standards
- N'-Isopropylidene-2-nitrobenzenesulfonohydrazide (CAS 6655-27-2)
- 3-4-O-Isopropylidene-D-mannitol (CAS 3969-84-4)
- 2,3-O-Isopropylidene-α-L-sorbofuranose (CAS 17682-71-2)
- 2-3-O-Isopropylidene-L-gulonic acid-1-4-lactone (CAS 94840-08-1)
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- (+)-2,3-O-Isopropylidene-D-tartaric Acid Dimethyl Ester (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dicarboxylic Acid Dimethyl Ester 37031-30-4 Dimethyl (+)-2,3-O-Isopropylidene-D-tartrate Dimethyl (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dicarboxylate I0474 (CAS 37031-30-4)
- 5-6-O-Isopropylidene-L-ascorbic acid (CAS 15042-01-0)
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