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L-Cystine (113)CAS RN:56-89-3;24645-67-8
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V.L.Clark ChemicalTelephone:+1 888-852-2436
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E.M. Sergeant Pulp & Chemical Co., Inc.Telephone:+1 973-472-9111
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Nippon Rika Co.,LTDTelephone:+81-03-3241-3557
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Monomer-Polymer & Dajac Labs, IncTelephone:+1-215-364-1155
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Bachem AGTelephone:41619352323
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Alpha ChemikaTelephone:+91 22 65218147 / +91 22 40165752
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IRIS Biotech GmbHTelephone:499231961973
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Gallard-Schlesinger Industries Inc.Telephone:(516) 683-6900 or (800) 645-3044
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Ashland Distribution Company, IngredientsTelephone:(877)FID-EAST
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PanreacTelephone:(+34) 935 642 408