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4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide, a high-standard pharmaceutical intermediate used in the synthesis of anti-inflammatory and analgesic drugs, is a key raw material for the production of oxacin-type active pharmaceutical ingredients. We are a professional supplier with stable production capacity and strict quality control, providing support to pharmaceutical clients worldwide.

As a high-purity key intermediate for anticholinergic drugs, Tropic Acid is an essential raw material for synthesizing atropine, anisodamine and other pharmaceutical products. We are a professional Tropic Acid Supplier with stable production capacity and strict quality system, providing USP-standard products to global pharmaceutical manufacturers.

As a high-purity chiral pharmaceutical intermediate, DL-Tropic Acid (CAS No.: 552-63-6) is a key raw material for the synthesis of anticholinergic and analgesic drugs. We are a professional DL-Tropic Acid Manufacturer with GMP-compliant production lines, delivering stable-quality products that meet strict enterprise standards to global pharmaceutical and chemical enterprises.

As a high-purity fine chemical intermediate with excellent reactivity, Ethyl Phenylacetate (CAS No.: 101-97-3) is a core raw material for pharmaceutical synthesis, fragrance formulation and fine chemical production. We are a professional Ethyl Phenylacetate Supplier with mature industrial synthesis technology, providing stable and high-quality products that comply with enterprise strict quality standard TS-10-ZJ-012-04 for domestic and international pharmaceutical, chemical and flavor and fragrance enterprises.

As a high-purity fine chemical intermediate, Methyl Phenylacetate (CAS No.: 101-41-7) is a key raw material for pharmaceutical, fragrance and fine chemical synthesis. We are a professional Methyl Phenylacetate Manufacturer with mature synthetic production lines, providing industrial-grade high-quality products with stable quality to domestic and international chemical and pharmaceutical enterprises.