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Protein A (Staphylococcus aureus strain Cowan I) (6)CAS RN:91932-65-9
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Shanghai Yaxin Biotechnology Co., Ltd.Telephone:400-018-3588,+86-21-54336592
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Scripps LaboratoriesTelephone:+1-858-546-5800
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CRYSTAL CHEM INCTelephone:(630) 889 9003
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RepligenTelephone:1-800-622-2259
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Assay Designs, Inc.Telephone:734-668-6113
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East Coast Biologics, IncTelephone:207-676-7639