BIOPHEN Heparin Anti-Xa (2 stages) - Replaced by A221005

This product has been updated and replaced with two products, A221005 (reagents) and AAR030K (buffer).
BIOPHEN Heparin Anti-Xa (2 stages) - Replaced by A221005
Code: A221010-USP
Manufacturer’s Part Number: 221010
Shipping Weight: 1.00 pounds
Quantity in Basket: None
Price: $350.00

Product Description

Chromogenic anti-Xa method for measuring homogeneously heparin in plasma (tested diluted 1:10) or in purified systems, using a two stage method. Offers a wide measurement range from 0 to 1 IU/mL for plasma, or from 0.005 to 0.10 IU/mL for purified systems and is appropriate for testing heparins for their anti-FXa activity. This assay is in compliance with USP Anti-FXa assay for unfractionated heparin.

Please see important notification letter from the manufacturer regarding the use of this product.


SKU ID# Packaging Website Links
A221010-USP Kit
Assay Characteristics Kit Components Applications
Total Assay Time: < 5 min.
Detection Threshold: <0.1 IU/mL
Dynamic Range: 0 to 1 IU/mL
When Diluted 0 to 0.1 IU/mL
Intra-Assay CV: < 3%
Inter-Assay CV: < 5%
Number of Tests:
(Manual Microplate Method)
2x100 Tests
R1: 2x1 mL ATIII

R2: 2x1 mL FXa

R3: 2x5 mL FXa substrate (SXa-11)

R4: 4x25 mL Reaction buffer

For the measurement of anti-Xa Heparin activity in research applications.

This assay, using a predilution of Antithrombin and FXa reagents in R4 buffer, is in compliance with the USP Anti-Factor Xa assay for unfractionated heparin.

Please Note: Results obtained should be for research purposes only and not used for patient diagnosis or treatment.

Streamline Laboratory Procedures

Ready-to-use reagents and buffers, from Medicago AB. Available in tablets and pouches.


Package Inserts MSDS Tech Specs Adaptations
BIOPHEN Heparin Anti-Xa - USP/EP
BIOPHEN Heparin Anti-Xa BIOPHEN Heparin Anti-Xa Request Adaptations