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T211800

Sigma-Aldrich

DMT-2′O-MOE-rMeU Phosphoramidite

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Synonym(s):
5′-Dimethoxytrityl-3′-[(2-cyanoethyl)- (N,N-diisopropyl)]-phosphoramidite- 2′-O-(2-methoxyethyl)-5-methyluridine
Empirical Formula (Hill Notation):
C43H55N4O10P
CAS Number:
Molecular Weight:
818.89

biological source

non-animal source (no BSE/TSE risk)

Quality Level

product line

Proligo Reagents

assay

≥99% (31P-NMR)
≥99.0% (reversed phase HPLC)

form

powder

impurities

≤0.1% single unspecified Impurity (reversed phase HPLC)
≤0.3 wt. % water content (Karl Fischer)
≤0.5% CET-H-Phosphonate (reversed phase HPLC)
≤0.5% DIPA-H-Phosphonate (reversed phase HPLC)
≤0.5% DMT-rTmoe (reversed phase HPLC)
≤0.5% DMT-rTmoe -amidate (reversed phase HPLC)
≤0.5% H-Phosphonat (reversed phase HPLC)
≤0.5% O3, O5-Bis-DMT-rTmoe (reversed phase HPLC)
≤0.5% P(III) 100-169ppm (31P-NMR)
≤3 wt. % residual solvent content

color

white to off-white

λ

conforms (UV/VIS Identity)

suitability

conforms to structure for H-NMR
conforms to structure for LC-MS

storage temp.

−20°C

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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