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-2023HJ141		Product Name:Standard sample/water quality mercury/medium: 5% nitric acid/uncertainty subject to the arrival certificate	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ382		Product Name:Standard/mixed standard of 7 metals/beryllium germanium mercury molybdenum antimony tin titanium/medium: nitric acid+hydrofluoric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ140		Product Name:Standard sample/water quality Mixed standard of 10 elements/Cr Mn Fe Cu Zn As Se Cd Hg Pb	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ147		Product Name:Standard sample/water quality 21 kinds of metal mixed standard/lithium beryllium titanium vanadium chromium manganese iron cobalt nickel copper zinc arsenic strontium selenium molybdenum cadmium antimony barium mercury thallium lead	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ372		Product Name:Standard sample/mixed standard of 13 metals/arsenic boron cadmium chromium copper iron mercury manganese molybdenum nickel lead selenium zinc	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ146		Product Name:Standard sample/water quality 15 kinds of metal mixed standard/aluminum, arsenic, calcium, cadmium, chromium, copper, iron, mercury, potassium, lithium, magnesium, sodium, nickel, lead and zinc/ICP-MS	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ370		Product Name:Standard sample/mixed standard of 13 metals/arsenic barium cadmium chromium copper iron mercury manganese nickel lead selenium titanium zinc	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ145		Product Name:Standard sample/water quality mixed standard of four metals/arsenic selenium antimony mercury/medium: nitric acid+hydrofluoric acid/ICP-MS	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ373		Product Name:Standard sample/mixed standard of 13 metals/aluminum calcium cadmium chromium copper iron mercury potassium magnesium manganese nickel lead zinc	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ144		Product Name:Standard sample/water quality Mixed standard of 10 elements/As, Cd, Cr, Cu, Fe, Hg, Mn, Pb, Se, Zn	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ139		Product Name:Standard sample/water quality mercury/uncertainty shall be subject to the arrival certificate	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ138		Product Name:Standard sample/water quality Mixed standard of 6 metals/Lead cadmium arsenic copper strontium mercury	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ379		Product Name:Standard sample/mixed standard of 12 metals/chromium, arsenic, calcium, cadmium, iron, mercury, potassium, magnesium, manganese, sodium, lead, selenium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ137		Product Name:Standard sample/water quality Mixed standard of 6 metals/Lead zinc copper cadmium mercury chromium	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ392		Product Name:Standard sample/mixed standard of 8 metals/arsenic calcium mercury potassium magnesium sodium phosphorus lead/medium: hydrochloric acid+nitric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ375		Product Name:Standard sample/mixed standard of 8 metals/cadmium mercury cobalt lead vanadium arsenic nickel selenium/medium: nitric acid+hydrochloric acid	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ374		Product Name:Standard/mixed standard of 10 metals/arsenic lead copper mercury lithium strontium zinc selenium nickel antimony/2 bottles	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ396		Product Name:Standard/14 kinds of metal mixed standard/Al Fe Mn Cu Zn As Se Hg Cd Pb Ni Ba Sb Sn	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ154		Product Name:Standard sample/mixed standard of 2 metals/arsenic and mercury	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ150		Product Name:Standard sample/mixed standard of 2 metals/mercury and lead	CAS No.:	Molecular Formula:

1. <
2. 15
3. 16
4. 17
5. 18
6. 19
7. >
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660