Question 1

What is the catalog number for Human Cytokeratin Fragment Antigen 21-1 ELISA Kit (CYFRA21-1)?

Accepted Answer

The catalog number for Human Cytokeratin Fragment Antigen 21-1 ELISA Kit (CYFRA21-1) is RK01229.

Question 2

Is Human Cytokeratin Fragment Antigen 21-1 ELISA Kit (CYFRA21-1) in stock?

Accepted Answer

Human Cytokeratin Fragment Antigen 21-1 ELISA Kit (CYFRA21-1) is currently made to order / not held in immediate stock. Contact us for lead time.

Question 3

What temperature does this product ship at?

Accepted Answer

Shipping temperature is chosen based on the product’s stability needs, ranging from ambient to dry ice, and is indicated on the product page. Any related shipping fee is shown clearly in your quotation.

Question 4

What is the molecular weight of the target protein?

Accepted Answer

Molecular weight information, where applicable, is listed on the datasheet under target details, useful for confirming the correct band on western blot.

Question 5

How long will it take to receive this product if it’s custom made?

Accepted Answer

Lead times depend on the product type: custom polyclonal antibodies typically take 12-14 weeks, monoclonal antibodies 15-17 weeks, made-to-order recombinant proteins 4-8 weeks, and made-to-order recombinant antibodies 6-8 weeks. These are estimates and may shift due to production delays.

Human Cytokeratin Fragment Antigen 21-1 ELISA Kit (CYFRA21-1)

Product Specifications

CAS Number

Frequently Asked Questions

Explore Other Products

Anti-Prothrombin/F2 Antibody Picoband®, PE Conjugate

Human Kappa Light Chain (B-Cell Marker) (rL1C1), CF488A conjugate, 0.1mg/mL

Anti-ODF2L Antibody Picoband®, FITC Conjugate

C1QA / Complement C1q A-Chain (C1QA/2952), CF640R conjugate, 0.1mg/mL

Spectrin beta III (SPTBN2) (SPTBN2/2894R), CF647 conjugate, 0.1mg/mL

CD3e (Rabbit PAb), CF740 conjugate, 0.1mg/mL