Support & Resources


CF® Dye & Biotin SE Protein Labeling Kits

Kits for succinimidyl ester labeling antibodies or other proteins with Biotium’s next-generation CF® dyes or biotin. 3 x 1 mg labeling reactions per kit.

Learn more about


Don’t see what you’re looking for? Contact us for more conjugation options.
Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
Catalog #
3 labelings
Clear selection
Add to wishlist
(Please select quantity above )

Wishlist updated! View wishlist

Shipping, Handling & Tax (CA only) not included in price. Learn more

Tax is assessed in the state of California. All fees will be calculated during checkout based on your shipping information and are subject to change.

SPECIAL - Order 5 or more and receive 10% off.

Request a Bulk Quote

Product Description

This kit contains reagents for labeling antibodies or other proteins with a fluorescent CF® dye succinimidyl ester (CF® dye SE) or biotin succinimidyl ester (biotin SE). Learn more about next-generation CF® dyes with superior brightness, photostability, and water solubility compared to other fluorescent dyes.


  • 3 labeling reactions of 1 mg each
  • Choice of biotin or CF® dyes ranging from UV to near-IR
  • Includes buffers & ultrafiltration vials for labeling & purification

Kit Components

  • Lyophilized CF® Dye SE or Biotin SE (3 vials)
  • Anhydrous DMSO
  • Sodium Bicarbonate Solution, pH 8.3
  • 1X PBS, pH 7.4
  • Ultrafiltration Vials, 10K MWCO (3 vials)
  • Reaction Vials (3 vials)
  • Storage Vials (3 vials)

See our full line of Antibody & Protein Labeling Kits.

ProductEx/EmSizeCatalog No.Purchase
Biotin SE Protein Labeling KitN/A3 x 1 mg labelings92224Purchase 92224
CF®350 SE Protein Labeling Kit347/448 nm3 x 1 mg labelings92210Purchase 92210
CF®405S SE Protein Labeling Kit404/431 nm3 x 1 mg labelings92211Purchase 92211
CF®405M SE Protein Labeling Kit408/452 nm3 x 1 mg labelings92212Purchase 92212
CF®405L SE Protein Labeling Kit395/545 nm3 x 1 mg labelings92228Purchase 92228
CF®488A SE Protein Labeling Kit490/515 nm3 x 1 mg labelings92213Purchase 92213
CF®532 SE Protein Labeling Kit527/558 nm3 x 1 mg labelings92208Purchase 92208
CF®543 SE Protein Labeling Kit541/560 nm3 x 1 mg labelings92209Purchase 92209
CF®555 SE Protein Labeling Kit555/565 nm3 x 1 mg labelings92214Purchase 92214
CF®568 SE Protein Labeling Kit562/583 nm3 x 1 mg labelings92215Purchase 92215
CF®594 SE Protein Labeling Kit593/614 nm3 x 1 mg labelings92216Purchase 92216
CF®633 SE Protein Labeling Kit630/650 nm3 x 1 mg labelings92217Purchase 92217
CF®640R SE Protein Labeling Kit642/662 nm3 x 1 mg labelings92225Purchase 92225
CF®647 SE Protein Labeling Kit650/665 nm3 x 1 mg labelings92218Purchase 92218
CF®660C SE Protein Labeling Kit667/685 nm3 x 1 mg labelings92219Purchase 92219
CF®660R SE Protein Labeling Kit663/682 nm3 x 1 mg labelings92223Purchase 92223
CF®680 SE Protein Labeling Kit681/698 nm3 x 1 mg labelings92220Purchase 92220
CF®680R SE Protein Labeling Kit680/701 nm3 x 1 mg labelings92226Purchase 92226
CF®750 SE Protein Labeling Kit755/777 nm3 x 1 mg labelings92221Purchase 92221
CF®770 SE Protein Labeling Kit770/797 nm3 x 1 mg labelings92222Purchase 92222


Download a list of CF® dye references.


You may also like…