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	Image	Product Name	CAS No.	Molecular Formula
Product Number:PCL-#-Po405-20mg		Product Name:thujaplicin	CAS No.:27208-80-6	Molecular Formula:
Product Number:PCL-#-Ty172-20mg		Product Name:L-Tyrosine	CAS No.:60-18-4	Molecular Formula:
Product Number:PCL-#-P1441-20mg		Product Name:Chonglou Saponin VI	CAS No.:55916-51-3	Molecular Formula:
Product Number:PCL-#-C1429-20mg		Product Name:Chonglou Saponin VII	CAS No.:68124-04-9	Molecular Formula:
Product Number:PCL-#-W432-20mg		Product Name:baicalein	CAS No.:632-85-9	Molecular Formula:
Product Number:PCL-#-D451-20mg		Product Name:Dehydrated andrographolide hemisuccinate	CAS No.:786593-06-4	Molecular Formula:
Product Number:PCL-#-Co938-10mg		Product Name:Chrysin	CAS No.:499-29-6	Molecular Formula:
Product Number:PCL-#-L903-25mg		Product Name:Strychnosides	CAS No.:18524-94-2	Molecular Formula:
Product Number:PCL-#-M1033-20mg		Product Name:methyl eugenol	CAS No.:93-15-2	Molecular Formula:
Product Number:PCL-#-P1234-20mg		Product Name:Gustavo toxin	CAS No.:518-28-5	Molecular Formula:
Product Number:PCL-#-C1199-20mg		Product Name:Osteotriol	CAS No.:32222-06-3	Molecular Formula:
Product Number:PCL-#-L931-20mg		Product Name:Lung hemosiderin A	CAS No.:119425-89-7	Molecular Formula:
Product Number:PCL-#-N1301-20mg		Product Name:oxidized locust fruit base	CAS No.:26904-64-3	Molecular Formula:
Product Number:PCL-#-E567-20mg		Product Name:Pinealoside	CAS No.:82854-37-3	Molecular Formula:
Product Number:PCL-#-E1532-20mg		Product Name:Epitulipinol	CAS No.:16844-71-6	Molecular Formula:
Product Number:PCL-#-D1299-20mg		Product Name:dihydrocapsaicin	CAS No.:19408-84-5	Molecular Formula:
Product Number:PCL-#-T1370-20mg		Product Name:Sodium tanshinone IIA sulfonate	CAS No.:69659-80-9	Molecular Formula:
Product Number:PCL-#-R1509-1000mg		Product Name:Mandelic acid	CAS No.:611-71-2	Molecular Formula:
Product Number:PCL-#-Me294-100mg		Product Name:methyl linoleate	CAS No.:112-63-0	Molecular Formula:
Product Number:PCL-#-C1022-20mg		Product Name:Kirillakin	CAS No.:23094-69-1	Molecular Formula:

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