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Chitosan (33)CAS RN:9012-76-4
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Polysciences Inc.Telephone:(800)523-2575 /(215)343-6484
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Rita CorporationTelephone:(815)337-2500
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Beckmann Chemical Corp. Inc.Telephone:+1-(201)785-1950
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Natural Biopolymer, IncTelephone:425-881-6464
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Longlife EssentialsTelephone:
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Polysciences LtdTelephone: (215)343-6484
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Helm New York Chemical CorpTelephone:(732) 981-1160
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BI NutraceuticalsTelephone:310-669-2100
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Parchem Trading Ltd.Telephone:(914) 997 1050
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SANHE Chemport Chemicals USATelephone:508-579-4387