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L050050

Sigma-Aldrich

Cap B1

configured for (ÄKTA® and OligoPilot®)

Synonym(s):

Cap B

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About This Item

UNSPSC Code:
12352200
NACRES:
NA.21

type

for DNA synthesis

Quality Level

product line

Proligo Reagents

form

liquid

storage condition

dry at room temperature

suitability

conforms to structure (GC, Formulation)

compatibility

configured for (ÄKTA® and OligoPilot®)

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General description

Cap B1 solution, containing acetonitrile (ACN) and acetic anhydride, is mixed in situ with Cap A and Cap B2 solution during the capping (acetylation) reaction. Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.

Preparation Note

Acetonitrile / Acetic Anhydrid 6/4 (v/v)

Legal Information

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

35.6 °F - closed cup

Flash Point(C)

2.0 °C - closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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