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L-Tryptophan (94)CAS RN:73-22-3;80206-30-0
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KYOWA HAKKO Co., Ltd.Telephone:
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pharma scienceTelephone:1-800-340-9735
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Apotex IncTelephone:416- 401-7780
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The Apotex GroupTelephone:416- 749-9300
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A & E Connock (Perfumery & Cosmetics) LtdTelephone:44-0-1425 653367
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Cambridge Isotope Laboratories,IncTelephone:978-749-8000
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T.& D. MIDEAST LIMITEDTelephone:1-514-845-7172
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AminoltdTelephone:+49-5355-9100-713
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Chem-MundoTelephone:+49-(0)8638-982 422
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Dmt InternationalTelephone:91-22-40123275/25896148