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New In-Stock Product | Classic Chromogenic Substrate for Serine Proteases: Z-Gly-Pro-Arg-pNA Acetate (CAS: 66648-35-9)
2026/2/6 9:42:53Z-Gly-Pro-Arg-pNA Acetate (CAS: 66648-35-9) is a peptide-based chromogenic substrate widely used for serine protease activity assays, particularly for thrombin. With ≥98% purity (HPLC), excellent solubility, and low background interference, it ensures high assay reliability and sensitivity. GeneSeqTools offers this reagent in ready stock with customizable packaging options. It is ideal for enzyme kinetic studies, research on blood coagulation mechanisms, and the development and quality control of coagulation-related in vitro diagnostic (IVD) reagents.
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In Stock Series | β-L-Fucosidase Detection Substrates: From Screening to Precise Quantification
2026/2/4 14:33:47GeneSeqTools offers a comprehensive range of β-L-fucosidase substrates in ready stock, including classic chromogenic (X-β-L-Fuc), colorimetric (PNP-β-L-Fuc), and fluorescent (4-MU-β-L-Fucoside) options. These substrates support qualitative screening, quantitative assays, and high-sensitivity detection of enzyme activity. All products are ≥98% pure by HPLC and available in multiple standard sizes, with custom packaging also supported. Ready-to-use for immediate research applications.
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In Stock & Ready to Ship | Chromogenic Substrate S-2302: A Classic Reagent for Plasma Kallikrein (KLK) Activity Assays
2026/2/2 16:41:37GeneSeqTools offers chromogenic substrate S-2302 (CAS: 62354-56-7) for kallikrein (KLK) in ready stock. This well-established chromogenic substrate is specifically designed for the detection of plasma kallikrein activity. With HPLC purity ≥98%, it ensures reliable and reproducible assay performance. Available in multiple standard sizes—1 mg, 5 mg, and 100 mg—with custom packaging options also supported.
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Happy Lunar New Year to Our Valued Partners | GeneSeqTools 2026 Spring Festival Holiday Notice
2026/1/30 10:22:49As the Lunar New Year approaches, in accordance with national holidays and company arrangements, GeneSeqTools will observe the following holiday schedule: February 13 to March 1, 2026 (inclusive) — 17 days off. Normal operations will resume on March 2, 2026.
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Recommended Series | Ready-to-Use! 7-deaza-dGTP Solution: A Standardized, Plug-and-Play Tool for Research
2026/1/29 10:27:117-deaza-dGTP is a structurally modified deoxynucleoside triphosphate that can be efficiently incorporated by DNA polymerases. It is widely used in nucleotide structure–function studies and PCR optimization for high-GC templates. GeneSeqTools offers 7-deaza-dGTP as a ready-to-use 10 mM aqueous solution—no reconstitution needed. With precisely calibrated concentration and exceptional batch-to-batch consistency, it ensures high experimental reproducibility. Ideal for high-GC PCR amplification, telomerase activity assays, and RT-qPCR system optimization, this solution is the perfect choice for standardized molecular research.
