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New In-Stock Product | 4-Methylumbelliferyl-β-D-Glucuronide (MUG, CAS: 6160-80-1): Fluorescent Substrate for E. coli Detection in National Standard Water Quality Testing
2026/6/3 14:00:454-Methylumbelliferyl-β-D-Glucuronide (MUG, CAS: 6160-80-1) is the core fluorescent substrate for the enzymatic substrate method in detecting Escherichia coli as specified by national standards. It is widely used for E. coli determination in surface water, groundwater, domestic sewage, and industrial wastewater, as well as for the detection of total coliforms and E. coli in drinking water. GeneSeqTools offers this product in stock, supporting various specifications and customizable packaging.
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In-Stock Series | S-2238 Thrombin Chromogenic Substrate: Classic Sequence & Multiple Salt Forms for ATIII / Anti-IIa Assays
2026/5/28 14:57:23S-2238 (H-D-Phe-Pip-Arg-pNA) is a classic choice for thrombin chromogenic substrates, widely used in ATIII, Anti-IIa, and thrombin activity analysis. GeneSeqTools provides the free form and various salt forms (HCl/AcOH) to meet diverse process requirements, including liquid, lyophilized, and automated platforms. With high purity, stable batch-to-batch consistency, and domestic stock availability, it helps accelerate efficient IVD reagent development.
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[Domestic Exclusive] In Stock | S-2586: Chromogenic Substrate for Chymotrypsin Activity Analysis
2026/5/21 16:19:30Addressing the need for data reproducibility and methodological stability in enzyme kinetics research, GeneSeqTools introduces the chymotrypsin chromogenic substrate S-2586, available in various salt forms to meet specific customer requirements. Based on the classic pNA chromogenic mechanism, this product offers low background, high compatibility, and the advantage of continuous kinetic monitoring. It is suitable for enzyme activity analysis, substrate specificity studies, and inhibitor screening. Available in stock with customizable packaging.
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In Stock | PNP-Phos Choline (CAS: 21064-69-7): Chromogenic Substrate for Phospholipase C Detection in Enzyme Activity Assays and Inhibitor Screening
2026/5/15 14:55:59PNP-Phos Choline (4-Nitrophenyl Phosphorylcholine, CAS: 21064-69-7) is a classic chromogenic substrate for PLC activity analysis, compatible with standard 405 nm microplate readers. It is widely used in scenarios such as PLC enzyme activity assays and inhibitor screening. GeneSeqTools provides high-purity products (≥98% by HPLC) in stock with stable batch-to-batch consistency, helping to reduce methodological fluctuation risks in long-term projects.
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In Stock | S-2765: The Classic Chromogenic Substrate for Coagulation Factor X / FXa Detection
2026/5/13 11:02:57S-2765 (Z-D-Arg-Gly-Arg-pNA · 2HCl, CAS: 113711-77-6) is a classic chromogenic substrate for Coagulation Factor Xa (FXa). It is widely used in Factor X activity assays, anti-Xa kit development, and heparin drug activity detection. GeneSeqTools provides a domestic alternative with stock available, suitable for coagulation testing and automated biochemical platforms. We support full-scenario needs ranging from R&D trials to large-scale production.
