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L-Ascorbic Acid (420)CAS RN:50-81-7
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OptiPure;ChemcoTelephone:(323)721-8300
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Alfa AesarTelephone:1-800-343-7276
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Parchem NutritionTelephone:(914)997-1050
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PanreacTelephone:(+34) 935 642 408
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He-Ro Chemicals Ltd.Telephone:(852)2317-5988
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AIDP, Inc.Telephone:626-964-6910
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Charles Bowman & Co.Telephone:(616)786-4000
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Buckton Scott Nutrition, Inc.Telephone:(973)882-0322
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Zhong Ya Chemical (USA) Ltd.Telephone:732-981-9288
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Alpha Group Ltd (Hong Kong)Telephone:852-28051956