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In stock | Chromogenic Substrate S-2222: Multi-Salt FXa-Specific Substrate — Selection Guide & Detection Application Overview
2026/7/31 16:36:08Designed based on the natural cleavage site tetrapeptide sequence, the chromogenic substrate S-2222 is a canonical choice in the field of FXa activity and heparin assays, thanks to its high specificity, strong chromogenic response, and excellent stability. Hepattack offers various salt forms with HPLC purity > 98% and in-stock availability. This article will help you clarify the differences among each salt form to find the one that best fits your experimental system.
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Exclusive Stock | 4MU-GalNAc: Fluorescent Substrate Targeting N-Acetylgalactosaminidase for Candida albicans Detection
2026/7/23 16:52:424MU-GalNAc is a fluorescent detection substrate for N-acetylgalactosaminidase (NAGase), which releases 4-methylumbelliferone upon hydrolysis to generate a detectable fluorescence signal. This product is suitable for enzyme activity analysis related to Candida albicans, the establishment of Candida detection methods, and the R&D of microbial detection reagents. Hepattack provides exclusive stock of molecular biology grade, offering reliable raw material support for the development of detection systems.
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Domestic Choice for Thrombin Detection Substrates: S-2160 Series Covering pNA Colorimetric and AMC/4MβNA Fluorescent Assay Systems
2026/7/16 14:17:08Thrombin activity detection is a critical step in coagulation diagnostics, anticoagulant drug evaluation, and enzymology research. Based on the Bz-Phe-Val-Arg core sequence, the S-2160 series offers pNA colorimetric, AMC, and 4MβNA fluorescent detection formats. It supports various detection platforms and experimental requirements, providing a stable and reliable substrate solution for thrombin activity analysis, Antithrombin III functional testing, and IVD method development.
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Core Substrate for Heparin Potency Assessment S-2732: Targeted FXa Specific Recognition, Pharmacopoeia-Compliant
2026/7/10 15:33:39S-2732 is a chromogenic substrate specifically designed for FXa, used for the anti-Xa activity detection of heparin and low-molecular-weight heparin. Utilizing the chromogenic substrate method, it serves as the core substrate for the heparin potency testing system stipulated by the USP/EP pharmacopoeias. Hepattack provides a domestic alternative of S-2732 with high purity (>98%) and excellent water solubility. It is compatible with various coagulation analyzers and automated testing platforms, facilitating quality control for heparin pharmaceutical companies and the development of anti-Xa detection kits.
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New Release | H-D-Ala-AMC ∙ TFA: AMC Fluorescent Substrate for Rapid Evaluation of Food Microbial Activity
2026/7/3 14:20:18D-Alanyl-7-amino-4-methylcoumarin trifluoroacetate (H-D-Ala-AMC ∙ TFA, CAS: 201847-52-1) is a D-alanine aminopeptidase substrate based on the AMC fluorescence system. Upon enzymatic cleavage, it releases a blue fluorescence signal, which can be used for bacteria-related enzyme activity detection, foodborne pathogen screening, and enzyme kinetic analysis. Compared to traditional culture methods, it provides microbial activity information much faster, offering a highly sensitive fluorescent detection tool for food safety research.
