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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.

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Product Number	Product Name	CAS No.	Molecular Formula
Product Number:PCL-2023HJ324	Product Name:Standard/4 metal mixed standards/chromium, cadmium, mercury, lead/medium: 10% nitric acid + hydrochloric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ325	Product Name:Standard samples/10 metal mixed standards/aluminum, arsenic, cadmium, chromium, iron, mercury, manganese, nickel, lead, selenium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ328	Product Name:Standard/7 metal mixed standards/chromium, copper, zinc, arsenic, cadmium, mercury, lead/medium: nitric acid + hydrochloric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ583	Product Name:Standard samples/20 metal mixed standards/boron, magnesium, aluminum, silicon, phosphorus, sulfur, potassium, calcium, chromium, manganese, iron, nickel, copper, zinc, arsenic, selenium, molybdenum, cadmium, mercury, lead	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ341	Product Name:Standard samples/10 metal mixed standards/arsenic, barium, cadmium, cobalt, chromium, copper, mercury, lead, antimony, selenium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ582	Product Name:Standard samples/20 metal mixed standards/lead, cadmium, copper, zinc, arsenic, selenium, chromium, iron, manganese, molybdenum, cobalt, beryllium, boron, antimony, nickel, barium, vanadium, titanium, thallium, mercury	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ340	Product Name:Standard samples/10 metal mixed standards/arsenic, barium, cadmium, cobalt, chromium, iron, mercury, lead, antimony, selenium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ581	Product Name:Standards/21 metals mixed standard/lithium, boron, sodium, magnesium, aluminum, potassium, calcium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, arsenic, selenium, barium, cadmium, mercury, lead	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ580	Product Name:Standards/21 metals mixed standard/aluminum, arsenic, barium, calcium, chromium, cadmium, copper, iron, mercury, magnesium, manganese, sodium, nickel, phosphorus, cobalt, lead, tin, selenium, strontium, zinc, potassium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ587	Product Name:Standard samples/20 metal mixed standards/aluminum, arsenic, gold, boron, bismuth, cadmium, cobalt, chromium, copper, iron, mercury, nickel, phosphorus, lead, sulfur, antimony, tin, titanium, zinc, thallium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ364	Product Name:Standards/13 metal mixed standards/lithium germanium rubidium strontium ruthenium palladium cadmium cesium barium iridium platinum mercury	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ103	Product Name:Standard sample/Mercury in water (8001)/Medium: 5% nitric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ586	Product Name:Standard samples/20 metal mixed standards/arsenic, cadmium, cobalt, mercury, iridium, nickel, lead, palladium, platinum, rhodium, ruthenium, thallium, vanadium, gold, barium, copper, lithium, antimony, selenium, tin	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ363	Product Name:Standard samples/12 metal mixed standards/lead, arsenic, nickel, sodium, magnesium, aluminum, potassium, calcium, chromium, cadmium, tin, mercury	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ109	Product Name:Standard substance/Mercury in water/Medium: 1% hydrochloric acid/Minimum order: 10 bottles	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ585	Product Name:Standard sample/14 metal mixed standards/aluminum, arsenic, calcium, cadmium, chromium, copper, iron, mercury, potassium, magnesium, sodium, nickel, lead, zinc/medium: hydrochloric acid + nitric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ343	Product Name:Standards/11 metals mixed standard/arsenic, boron, cadmium, chromium, copper, iron, mercury, manganese, molybdenum, lead, zinc	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ584	Product Name:Standards/15 metals mixed standard/lead, barium, vanadium, cadmium, chromium, mercury, lithium, aluminum, manganese, nickel, arsenic, antimony, copper, selenium, tin/medium: nitric acid + hydrochloric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ342	Product Name:Standards/11 metals mixed standard/lead, copper, mercury, manganese, barium, arsenic, selenium, nickel, cadmium, chromium, antimony	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ304	Product Name:Standard sample/5 metal mixed standards/arsenic, cadmium, copper, mercury, lead/medium: nitric acid + hydrochloric acid	CAS No.:	Molecular Formula: