1,2,3,4,6-Pentakis-O-(trimethylsilyl) α-D-Galactose CAS 32166-80-6
| CAS No. | 32166-80-6 |
| Molecular Formula | C21H52O6Si5 |
| Molecular Weight | 541.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 541.06 g/mol gives 1,2,3,4,6-Pentakis-O-(trimethylsilyl) α-D-Galactose distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,2,3,4,6-Pentakis-O-(trimethylsilyl) α-D-Galactose (CAS 32166-80-6), molecular formula C21H52O6Si5 and molecular weight 541.06 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,2,3,4,6-Pentakis-O-(trimethylsilyl) α-D-Galactose (C21H52O6Si5) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -4.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 541.06 g/mol, it falls into the moderately-high-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,2,3,4,6-Pentakis-O-(trimethylsilyl) α-D-Galactose meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H52O6Si5 |
| Molecular Weight | 541.06 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -4.0 |
| CAS Registry Year (est.) | 1966 |
Related Pentakis Standards
- 2,3,4,5,6-Pentakis(trifluoromethyl) benzoic acid (CAS 58956-75-5)
- Pentakis(trifluoromethyl)phenol (CAS 723294-91-5)
- 2,3,4,5,6-Pentakis(trifluoromethyl)aniline (CAS 58956-76-6)
- [pentakis(hydroxymethyl)phenyl]methanol (CAS 2715-91-5)
- 4-[[2,3,4,4,6-Pentakis(4-carboxyphenoxy)-1,3,5-triaza-2,4λ5,6-triphosphacyclohex-4-en-1-yl]oxy]benzoicacid (CAS 69322-61-8)
- Pentakis(dimethylamino)niobium(V), 99% (CAS 19824-58-9)
Recommended Standards
- 1-2-3-4-6-Penta-O-trimethylsilyl-D-glucopyranose (CAS 19126-99-9)
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- Pilaralisib (CAS 934526-89-3)
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- Methyl 6-(3,4-dihydroisoquinolin-2(1H)-yl)-2-methylnicotinate (CAS 1355223-45-8)
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- 4-Methylthiophene 2-ylmethanol (CAS 74395-18-9)
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- Methyl 2-methoxy-6-methylbenzoate (CAS 79383-44-1)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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