Spacer phosphoramidite 18 (hexaethylene glycol phosphoramidite) is an amidite reagent for oligonucleotide synthesis. It provides a long hydrophilic linker that can be used for the synthesis of Scorpion-type qPCR probes, for spacing biotin from oligo strand, and for other applications requiring spatial separation of modifier and oligo
MedKoo Cat#: 558946
Name: Hexaethylene glycol phosphoramidite
CAS#: 125607-09-2
Chemical Formula: C42H61N2O10P
Exact Mass: 784.4064
Molecular Weight: 784.93
Elemental Analysis: C, 64.27; H, 7.83; N, 3.57; O, 20.38; P, 3.95
The following data is based on the product molecular weight 784.93 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 1.15 mL | 5.76 mL | 11.51 mL |
| 5 mM | 0.23 mL | 1.15 mL | 2.3 mL |
| 10 mM | 0.12 mL | 0.58 mL | 1.15 mL |
| 50 mM | 0.02 mL | 0.12 mL | 0.23 mL |
