CN
All Photos(1)

L050030

Sigma-Aldrich

Cap B

configured for ABI

NACRES:
NA.21

Quality Level

type

for DNA synthesis

product line

Proligo Reagents

assay

conforms (Formulation, GC)

storage condition

dry at room temperature

impurities

≤200 ppm water content (Karl Fischer)

color

clear

compatibility

configured for ABI

Looking for similar products? Visit Product Comparison Guide

Preparation Note

Tetrahydrofurane / N-Methylimidazole 84/16 (v/v)

Other Notes

Cap B solution, containing tetrahydrofuran (THF) and N-methylimidazole (NMI), is mixed in situ with Cap A solution during the capping (acetylation) reaction. Lutidine is applied as a mild base while NMI provides a powerful acylation catalyst.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

6.1 °F

Flash Point(C)

-14.4 °C

Certificate of Analysis

Certificate of Origin

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service