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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.

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Product Number Image Product Name CAS No. Molecular Formula
Product Number:121042 Gansui Product Name:Gansui CAS No.:# Molecular Formula:
Product Number:121043 Pomegranate peel Product Name:Pomegranate peel CAS No.:# Molecular Formula:
Product Number:PCL-#-JF100-2g Dates Product Name:Dates CAS No.:#### Molecular Formula:
Product Number:PCL-#-Li001-1g Chasteberry Product Name:Chasteberry CAS No.:#### Molecular Formula:
Product Number:510057 Esomeprazole magnesium impurity II (4-methoxy-2[[(RS)-(5-methoxy-1H-benzimidazol-2-yl) sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide) Product Name:Esomeprazole magnesium impurity II (4-methoxy-2[[(RS)-(5-methoxy-1H-benzimidazol-2-yl) sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide) CAS No.:# Molecular Formula:
Product Number:101430 p-aminophenylacetic acid Product Name:p-aminophenylacetic acid CAS No.:1197-55-3 Molecular Formula:
Product Number:510058 Esomeprazole magnesium impurity III (5-methoxy-2-[(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole (R-omeprazole)) Product Name:Esomeprazole magnesium impurity III (5-methoxy-2-[(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole (R-omeprazole)) CAS No.:# Molecular Formula:
Product Number:510052 Dimethyl terephthalate Product Name:Dimethyl terephthalate CAS No.:120-61-6 Molecular Formula:
Product Number:100646 Tirofiban hydrochloride Product Name:Tirofiban hydrochloride CAS No.:150915-40-5 Molecular Formula:
Product Number:PCL-#-Bi001-1g Fist ginseng Product Name:Fist ginseng CAS No.:#### Molecular Formula:
Product Number:100644 Tizanidine hydrochloride Product Name:Tizanidine hydrochloride CAS No.:64461-82-1 Molecular Formula:
Product Number:100643 Aminotriol Product Name:Aminotriol CAS No.:100643-N/A Molecular Formula:
Product Number:100642 Iopromide Product Name:Iopromide CAS No.:100642-N/A Molecular Formula:
Product Number:100641 Nevirapine Product Name:Nevirapine CAS No.:100641-N/A Molecular Formula:
Product Number:100640 4-amino-5-carbamoylimidazole Product Name:4-amino-5-carbamoylimidazole CAS No.:360-97-4 Molecular Formula:
Product Number:121563 Large termite nests in soil ridge Product Name:Large termite nests in soil ridge CAS No.:# Molecular Formula:
Product Number:121564 Battle bones Product Name:Battle bones CAS No.:# Molecular Formula:
Product Number:121561 Citron (Citron) Product Name:Citron (Citron) CAS No.:# Molecular Formula:
Product Number:121562 Cephalotaxus Product Name:Cephalotaxus CAS No.:# Molecular Formula:
Product Number:121568 Velvet dragon budwort Product Name:Velvet dragon budwort CAS No.:# Molecular Formula:
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