• Call +1.858.633.0165 or Fax +1.858.633.0166 or Contact Us

CYFRA 21-1 native protein

Scan QR to view Datasheet
Catalog # MBS537751
Unit / Price
Scan QR to view Datasheet
  0.1 mg  /  $560 +1 FREE 8GB USB
CYFRA 21-1 native protein
Product Name

CYFRA 21-1, Native Protein

Popular Item
Full Product Name

CYFRA 21-1 antigen

Product Synonym Names
CYFRA -1 21; CYFRA-1-21 protein; CYFRA-1-21; Cytokeratin 19 Fragment protein; CYFRA -1 21 protein; CYFRA 21-1
Research Use Only
For Research Use Only. Not for use in diagnostic procedures.
Cell culture supernatant
Partially pure
Supplied from cell culture supernatant in PBS buffer, pH 7.4 with no preservatives added, 0.2um filtered.
0.066 mg/mL by Rocher ELecsys (lot specific)
Protein Type
Biological Significance
Cytokeratin 19 Fragment (CYFRA21-1). CYFRA21-1 is a prognostic marker in patients with non-small cell lung cancer. Among tumor marker tests for non-small cell lung cancer, CYFRA 21-1 has consistently been shown to have the highest diagnostic sensitivity (~70 percent)
Biohazard Information
The cell line supernatant tested non-reactive against anti-HIV1/2, HBsAg, anti-HCV and HIV-1 and HCV by Nucleic Acid Test per current FDA methods. Please note: since the samples tested were not serum they were not appropriate for use in these assays. No test can guarantee a product to be non-infectious, handle with care.
Preparation and Storage
4°C short term, -20°C for long term.
Other Notes
Small volumes of CYFRA 21-1 native protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.
Related Product Information for
CYFRA 21-1 native protein
Partially purified CYFRA 21-1 protein
Product Categories/Family for CYFRA 21-1 native protein
Applications Tested/Suitable for CYFRA 21-1 native protein
Application Notes for CYFRA 21-1 native protein
Partially purified CYFRA 21-1 to be used to make standards, calibrators and is recommended for use in multiple tumor marker analyte controls.
All of MyBioSource's Products are for scientific laboratory research purposes and are not for diagnostic, therapeutics, prophylactic or in vivo use. Through your purchase, you expressly represent and warrant to MyBioSource that you will properly test and use any Products purchased from MyBioSource in accordance with industry standards. MyBioSource and its authorized distributors reserve the right to refuse to process any order where we reasonably believe that the intended use will fall outside of our acceptable guidelines.
While every efforts were made to ensure the accuracy of the information provided in this datasheet, MyBioSource will not be liable for any omissions or errors contained herein. MyBioSource reserves the right to make changes to this datasheet at any time without prior notice.

It is the responsibility of the customer to report product performance issues to MyBioSource within 30 days of receipt of the product. Please visit our Terms & Conditions page for more information.
Request a Quote

Please fill out the form below and our representative will get back to you shortly.

Contact Us

Please fill out the form below and our representative will get back to you shortly.