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Key Documents

L050084

Sigma-Aldrich

Cap B

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200 L
$15,720.00

$15,720.00


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200 L
$15,720.00

About This Item

UNSPSC Code:
12352200
NACRES:
NA.51

$15,720.00


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Request a Bulk Order

product line

Proligo Reagents

Quality Level

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1 of 4

This Item
L050030L050080L050083
Cap B

L050084

Cap B

Cap B configured for ABI

L050030

Cap B

Cap B configured for PerkinElmer, configured for Polygen

L050080

Cap B

Cap B

L050083

Cap B

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

product line

Proligo Reagents

product line

Proligo Reagents

product line

Proligo Reagents

product line

Proligo Reagents

General description

Cap B solution contains tetrahydrofuran (THF), pyridine, and N-methylimidazole (NMI). It 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.

Preparation Note

Tetrahydrofurane / N-Methylimidazole / Pyridine 8/1/1 (v/v/v)

Other Notes

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.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT SE 3

target_organs

Central nervous system, Respiratory system

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

6.1 °F

flash_point_c

-14.4 °C


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