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Traditional Chinese medicine (TCM) analytical reference standards

TCM analytical standards are reference materials characterized through mass balance methodology, which quantifies the active components in raw materials by deducting interfering substances such as moisture, residual solvents, and inorganic impurities. These standards undergo rigorous homogeneity verification and long-term stability monitoring. With defined properties and quantified values, they are essential for equipment calibration, analytical method validation, product quality assessment, and authentication, ensuring consistency and compliance in TCM production.

The categories of herbal analytical standards are extensive, covering raw herbs and decoction pieces, plant-based oils/extracts, single-ingredient formulations, and compound preparations.

Hengyuan Fine’s PCL brand offers over 3,000 types of herbal analytical standards and reference substances across the entire industrial chain, including materials like Ginseng and Astragalus, plant extracts (e.g., Tanshinone, Menthol), and more.

Each product is accompanied by detailed labels and certificates of analysis (COA), specifying name, CAS number, batch ID, molecular formula, molecular weight, purity, intended use, storage conditions, and other critical parameters.

PCL standards strictly comply with the Chinese Pharmacopoeia and ISO 17034:2016 guidelines. With ready-to-ship inventory, purity ≥98%, and comprehensive coverage, they support content determination, pharmaceutical research, quality control, and customized compliance solutions for innovation-driven projects.

Product Number	Product Name	CAS No.	Molecular Formula
Product Number:PCL-#-Ls147-5mg	Product Name:isoguaiacol	CAS No.:78341-26-1	Molecular Formula:
Product Number:PCL-#-Ip127-5mg	Product Name:Hato Doubin A	CAS No.:26294-41-7	Molecular Formula:
Product Number:PCL-#-Ku053-25mg	Product Name:Picrasinol I	CAS No.:99119-69-4	Molecular Formula:
Product Number:PCL-#-Pe858-10mg	Product Name:Coumestrol II, Pseudostemma alba	CAS No.:130464-56-1	Molecular Formula:
Product Number:PCL-#-Hy551-25mg	Product Name:4'-hydroxy-6,7,8,3'-tetramethoxyflavonol	CAS No.:1879030-01-9	Molecular Formula:
Product Number:PCL-#-Gy537-25mg	Product Name:Gynostemma saponin LI	CAS No.:94987-10-7	Molecular Formula:
Product Number:PCL-#-De410-25mg	Product Name:Delphinidin-3-O-rutinoside chloride	CAS No.:15674-58-5	Molecular Formula:
Product Number:PCL-#-Mu255-5mg	Product Name:Sangfuran G	CAS No.:87085-00-5	Molecular Formula:
Product Number:PCL-#-Ca334-0.02ml	Product Name:(-)-δ-juniperene	CAS No.:13061-82-0	Molecular Formula:
Product Number:PCL-#-Br873-5mg	Product Name:opium tannin	CAS No.:41451-76-7	Molecular Formula:
Product Number:PCL-#-Ne031-25mg	Product Name:Yunnan Tibetan Schisandra chinensis G	CAS No.:1023744-69-5	Molecular Formula:
Product Number:PCL-#-De245-5mg	Product Name:dehydrotanshinol A	CAS No.:1444618-61-4	Molecular Formula:
Product Number:PCL-#-Ma870-20mg	Product Name:Marinoside	CAS No.:535-96-6	Molecular Formula:
Product Number:PCL-#-Te293-5mg	Product Name:Tungkwangsan neoside J	CAS No.:1514895-60-3	Molecular Formula:
Product Number:PCL-#-Is653-10mg	Product Name:Isobelian angelica brain	CAS No.:35214-81-4	Molecular Formula:
Product Number:PCL-#-Hy162-5mg	Product Name:5-Hydroxy-3,4′,6,7-tetramethoxyflavone	CAS No.:14787-34-9	Molecular Formula:
Product Number:PCL-#-8-230-25mg	Product Name:8-Epiphyllotoxin E acetate	CAS No.:91095-48-6	Molecular Formula:
Product Number:PCL-#-Tr143-5mg	Product Name:(7S,8S,1′S)-3,4,1′-Trimethoxy-1′,6′-dihydro-7,4′-epoxy-8,3′-neomuciferyl-8′-en-6′-one	CAS No.:61240-30-0	Molecular Formula:
Product Number:PCL-#-Ma054-5mg	Product Name:3-Acetyl-beta-rosterone A	CAS No.:CN002178	Molecular Formula:
Product Number:PCL-#-Jp086-50mg	Product Name:3"-O-methyl epigallocatechin gallate	CAS No.:83104-87-4	Molecular Formula: