Rifaximin|6-Chloronicotinic acid|6-Aminonicotinic acid|2,3-pyrazinedicarboxylic acid|2,3-5-methyl-2-nitrobenzoic acid--Wenling Shitang Xiangyang Chemical Factory

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CAS：80621-81-4

Molecular formula：C₄₃H₅₁N₃O₁₁

Molecular weight：785.88

Chemical structural formula

Rifaximin

Main technical indexes

Index name	Standard
Appearance	orange red or deep red powder; odorless, slightly bitter.
Acidity	4.0-7.0
Loss on drying	≤ 5%
Residue on ignition	≤ 0.2%
Heavy metal	≤ 20PPM
Relative material	≤ 2.0%
Content	≥ 98.0% （base on dry products）

Use ：bacteriophage

Storage：kept in airtight and dry place

Packing：10 kg / carton drum, 25 kg / carton drum