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DL-Homocysteine (6)CAS RN:454-29-5
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Shanghai Domen International Co., LtdTelephone:+86-21-61066956/57/58，61043548
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Peninsula LaboratoriesTelephone:+1 888-422 2436
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QED Bioscience Inc.Telephone:(800) 929-2114
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Chromsystems Instruments & Chemicals GmbHTelephone:+49 (0)89 1 89 30-0
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Cambridge Isotope Laboratories,IncTelephone:978-749-8000
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Promy Chemical, LLCTelephone:5107581388