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Merck
CN

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

Key Documents

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Product Name

Cap B2, configured for (ÄKTA® and OligoPilot®)

type

for DNA synthesis

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®)

Quality Level

200

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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 Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.Tetrahydrofurane has been replaced by acetonitrile in ÄKTA Cap B1 and B2.Cap B is configured for ÄKTA formulation.

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.

Preparation Note

Acetonitrile / Pyridine 4/6 (v/v)

Legal Information

OligoPilot is a registered trademark of Cytiva
ÄKTA is a registered trademark of Cytiva

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

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

Regulatory Information

危险化学品
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Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
HMBK7317
HMBK6097
HMBK5398
HMBK5399
HMBK2913

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