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L-Serine (90)CAS RN:56-45-1
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RIVEX GROUP INCTelephone:1-908-8899168
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ARC BiologicsTelephone:780-450-5304
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NucleosidesTelephone:914- 253-0777
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QED Bioscience Inc.Telephone:(800) 929-2114
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Yamakawa Chemical Industry Co.,Ltd.Telephone:81-3-32410191
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Ajinomoto USA Inc.Telephone:1-201-2611789
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Arrow-Magnolia International Inc.Telephone:972-247-7111
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AIE Pharmaceuticals, INC.Telephone:909-947-9898
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the Eurofins US groupTelephone:515-265-1461
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A & E Connock (Perfumery & Cosmetics) LtdTelephone:44-0-1425 653367