Skip to Content
Merck
All Photos(1)

Key Documents

Safety Information

AGX821

Sigma-Aldrich

SARS-CoV-2 Spike (aa 251-660) Recombinant Antigen, 533

suitable for ELISA, suitable for immunodiffusion

Synonym(s):

2019-nCoV, COVID-19

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

UNSPSC Code:
51201600
NACRES:
NA.26

recombinant

expressed in E. coli

Quality Level

100

form

liquid

mol wt

≤45 kDa

storage condition

avoid repeated freeze/thaw cycles

technique(s)

ELISA: suitable
immunodiffusion: suitable
lateral flow assay: suitable

shipped in

dry ice

General description

SARS-CoV-2 Spike (aa 251-660) Recombinant Antigen expressed in E. coli, Cat. No. AGX821 is for use in ELISA and Lateral Flow Assay.

Immunogen

fragment

Application

Alternative antigen recommendations are AGX822, AGX823, or AGX824

Target description

Coronavirus disease 2019 (COVID-19) is an infectious disease caused by the virus strain severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a virus closely related to the SARS virus. A SARS-CoV-2 spike antigen can be used to support the detection of SARS-CoV-2 (COVID-19, 2019-nCoV).

Physical form

Purified protein in 20mM Citrate buffer without preservatives, pH 9.5.

Reconstitution

Please refer to guidance on suggested starting dilutions and/or titers per application and sample type.

Storage and Stability

Stable for 1 year at -20°C from date of receipt. Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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.

JAN Code

AGX821:
CR211551:

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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