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Ammonium sulfate (306)CAS RN:7783-20-2
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Independent Chemical CorporationTelephone:+1-718-894-0700
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Cambridge IsotopeTelephone:+1-978-749-8000
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HELM AGTelephone:+49-40-2375-0
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Coyne Chemical Co.Telephone:+1-215-785-3000
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Wintersun ChemicalTelephone:+1-909-930-1688
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Heico Chemicals Inc., a Rutherford Chemicals CompanyTelephone:+1-570-420-3900
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Holland Co., Inc.Telephone:+1-413-7431292
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Amoli Organics Ltd.,Telephone:+91-22-22854715
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Seidler Chemical Co., Inc.Telephone:+1-973-4651122
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USB CorporationTelephone:+1-216-765-5000