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- Nuclease Substrates
- Sulfatase Substrates
- Nucleosides and Nucleotides for NGS
- Biological Dyes
- Other Compounds
- Vaginal Disease Urinary Multiplex Test Substrate
- β-Glucuronide ADC Linkers
- Resorufin
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In Stock | Pyrrole Ester for Leukocyte Esterase Detection: Key Raw Material for Urinalysis and IVD Rapid Test Development
2026/8/7 15:49:27Pyrrole Ester (Tos-Ala-OPPy, CAS: 99740-00-8) is a highly specific chromogenic substrate for leukocyte esterase detection. It generates an azo dye coloration with high sensitivity and strong specificity. This product is suitable for the R&D and manufacturing of urinalysis test strips, gynecological secretion multi-test strips, and enzyme activity detection systems. With a purity of ≥98%, GeneSeqTools offers this product in stock and supports flexible customization.
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In stock | Chromogenic Substrate S-2222: Multi-Salt FXa-Specific Substrate — Selection Guide & Detection Application Overview
2026/7/31 16:28:59Designed 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. GeneSeqTools 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 16:42:344MU-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. GeneSeqTools 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 14:11:46Thrombin 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 15:22:58S-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. GeneSeqTools 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.
