L050150
Cap B2
configured for (ÄKTA® and OligoPilot®)
Synonym(s):
Cap B
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About This Item
NACRES:
NA.21
UNSPSC Code:
12352200
type
for DNA synthesis
Quality Segment
product line
Proligo Reagents
storage condition
dry at room temperature
impurities
≤200 ppm water content (Karl Fischer)
color
clear
suitability
conforms to structure (GC, Formulation)
compatibility
configured for (ÄKTA® and OligoPilot®)
General description
Cap B solution, containing tetrahydrofuran (THF), pyridine and N-methylimidazole (NMI), is mixed in situ with Cap A solution during the capping (acetylation) reaction. Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.Tetrahydrofurane has been replaced by acetonitrile in ÄKTA Cap B1 and B2.Cap B is configured for ÄKTA formulation.
Preparation Note
Acetonitrile / Pyridine 4/6 (v/v)
Other Notes
Cap B2 solution, containing acetonitrile (ACN) and pyridine, is mixed in situ with Cap A and Cap B1 solution during the capping (acetylation) reaction.
Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.
Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.
Legal Information
OligoPilot is a registered trademark of Cytiva
ÄKTA is a registered trademark of Cytiva
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Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
62.6 °F
flash_point_c
17 °C
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