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Hengyuan Fine Chemical is a leading supplier of reference materials and standards, specializing in providing high-precision and highly reliable solutions for industries such as environmental testing, food safety, and pharmaceutical research and development. We offer nearly 50,000 ready-to-ship products, including pharmaceutical impurity reference standards, chemical analysis reference standards, pharmacopoeial titrants, biopeptide reference standards, and more, meeting the testing needs of various industries.

With a craftsmanship spirit at our core, we are committed to refining every product to ensure its quality and accuracy. At the same time, we understand customer needs through in-depth communication, providing customized solutions and fast delivery services to support the efficient progress of your projects.

Hengyuan Fine Chemical—where precision becomes a habit and trust becomes a bond.


Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-#-BSYSLHT001-100ml Ferric chloride solution for colorimetry Product Name:Ferric chloride solution for colorimetry CAS No.:7705-08-0 Molecular Formula:
Product Number:PCL-2021ZSY055-100ml Bromocresol purple indicator solution (for microbial limit testing) Product Name:Bromocresol purple indicator solution (for microbial limit testing) CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY061-250ml Sodium eosin indicator solution Product Name:Sodium eosin indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY047-100ml Potassium chromate indicator solution Product Name:Potassium chromate indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY054-100mL Methyl red indicator solution Product Name:Methyl red indicator solution CAS No.: Molecular Formula:
Product Number:PCL-2021ZSY034-100ml Nile Blue Indicator Product Name:Nile Blue Indicator CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY045-100ml Phenolsulfonphthalein indicator solution (for microbial limit testing) Product Name:Phenolsulfonphthalein indicator solution (for microbial limit testing) CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY005-100ml Dimethyl yellow-methylene blue mixed indicator solution Product Name:Dimethyl yellow-methylene blue mixed indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY013-100ml Dithizone indicator solution Product Name:Dithizone indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY039-100ml Crystal violet indicator solution Product Name:Crystal violet indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY040-100ml α-Naphthol benzyl alcohol indicator solution Product Name:α-Naphthol benzyl alcohol indicator solution CAS No.:145-50-6 Molecular Formula:
Product Number:PCL-2024RY045-250ml Nessler's reagent (mercuric iodide-potassium iodide-sodium hydroxide solution) Product Name:Nessler's reagent (mercuric iodide-potassium iodide-sodium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-#-2024SY300-500ml Ringer's solution Product Name:Ringer's solution CAS No.: Molecular Formula:
Product Number:PCL-#-2024SY389-100ml Phenol:chloroform:isoamyl alcohol solution Product Name:Phenol:chloroform:isoamyl alcohol solution CAS No.: Molecular Formula:
Product Number:PCL-2024RY045-500ml Nessler's reagent (mercuric iodide-potassium iodide-sodium hydroxide solution) Product Name:Nessler's reagent (mercuric iodide-potassium iodide-sodium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-2024SY002-250ml Nessler's reagent (mercuric chloride-potassium iodide-sodium hydroxide solution) Product Name:Nessler's reagent (mercuric chloride-potassium iodide-sodium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-2024SY002-500ml Nessler's reagent (mercuric chloride-potassium iodide-sodium hydroxide solution) Product Name:Nessler's reagent (mercuric chloride-potassium iodide-sodium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-2024SY001-100ml Nessler's reagent Product Name:Nessler's reagent CAS No.: Molecular Formula:
Product Number:PCL-2023RY022-500ml Fehling's reagent B Product Name:Fehling's reagent B CAS No.: Molecular Formula:
Product Number:PCL-2023RY021-500ml Fehling's reagent A Product Name:Fehling's reagent A CAS No.: Molecular Formula:
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