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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-2021BSY0190-10ml*11支 Yellow standard colorimetric solution (set) Product Name:Yellow standard colorimetric solution (set) CAS No.: Molecular Formula:
Product Number:PCL-2021BSY053-10ml Orange-red standard colorimetric solution color number 2 Product Name:Orange-red standard colorimetric solution color number 2 CAS No.: Molecular Formula:
Product Number:PCL-2024HC030-500ml Phosphate buffered saline（1M，pH7.0） Product Name:Phosphate buffered saline（1M，pH7.0） CAS No.: Molecular Formula:
Product Number:PCL-2024HC049-500ml Tris-HCl buffer（0.02M，pH7.0） Product Name:Tris-HCl buffer（0.02M，pH7.0） CAS No.: Molecular Formula:
Product Number:PCL-2024HC131-500ml Phosphate buffer solution(0.01mol PH=6.6) Product Name:Phosphate buffer solution(0.01mol PH=6.6) CAS No.: Molecular Formula:
Product Number:PCL-2024HC130-500ml Phosphate buffer solution(0.1mol PH=6.6) Product Name:Phosphate buffer solution(0.1mol PH=6.6) CAS No.: Molecular Formula:
Product Number:PCL-2024HC129-500ml Phosphate buffer solution(0.1mol PH=7.0) Product Name:Phosphate buffer solution(0.1mol PH=7.0) CAS No.: Molecular Formula:
Product Number:PCL-2024HC128-500ml Phosphate buffer solution(0.1mol PH=7.8) Product Name:Phosphate buffer solution(0.1mol PH=7.8) CAS No.: Molecular Formula:
Product Number:PCL-2024HC127-500ml Phosphate buffer solution(0.01mol PH=7.0) Product Name:Phosphate buffer solution(0.01mol PH=7.0) CAS No.: Molecular Formula:
Product Number:PCL-2024HC126-500ml Phosphate buffer solution(0.01mol PH=7.8) Product Name:Phosphate buffer solution(0.01mol PH=7.8) CAS No.: Molecular Formula:
Product Number:PCL-2024HC045-500ml Acetic acid-sodium acetate buffer(pH=5.2) Product Name:Acetic acid-sodium acetate buffer(pH=5.2) CAS No.: Molecular Formula:
Product Number:PCL-2024HC125-500ml Phosphate buffer (pH 3.5) Product Name:Phosphate buffer (pH 3.5) CAS No.: Molecular Formula:
Product Number:PCL-#-HC048-1L Tris-HCl buffer(1mol/L，pH7.0，Sterile ) Product Name:Tris-HCl buffer(1mol/L，pH7.0，Sterile ) CAS No.: Molecular Formula:
Product Number:PCL-2024HC075-1L Potassium phosphate buffer Product Name:Potassium phosphate buffer CAS No.: Molecular Formula:
Product Number:PCL-2024HC088-500ml Potassium borate buffer solution Product Name:Potassium borate buffer solution CAS No.: Molecular Formula:
Product Number:PCL-2024HC016-500ml Barbiturate HCl buffer Product Name:Barbiturate HCl buffer CAS No.: Molecular Formula:
Product Number:PCL-2024HC037-500ml Glycine-NaOH buffer(100mM,pH9.0) Product Name:Glycine-NaOH buffer(100mM,pH9.0) CAS No.: Molecular Formula:
Product Number:PCL-2024HC036-500ml Glycine-NaOH buffer(100mM,pH10.0) Product Name:Glycine-NaOH buffer(100mM,pH10.0) CAS No.: Molecular Formula:
Product Number:PCL-2024HC035-1L Sodium Azide-PBS Buffer Product Name:Sodium Azide-PBS Buffer CAS No.: Molecular Formula:
Product Number:PCL-#-HC019-250ml Calcium Hydroxide Standard Buffer Product Name:Calcium Hydroxide Standard Buffer CAS No.: Molecular Formula:
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