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cas 3475 39 6 methotrexate

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Quality 1,1,3-Tribromoacetone (3475-39-6) factory

1,1,3-Tribromoacetone (3475-39-6)

High-purity 1,1,3-Tribromoacetone (98% assay, CAS 3475-39-6) for Methotrexate synthesis. Stable 2-year shelf life, 25kg/drum packaging. Reliable B2B chemical intermediate.