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氯代呋喃-13C

二噁英(Dioxin)，又称二氧杂芑,是一种无色无味、毒性严重的脂溶性物质.二噁英包括210种化合物，这类物质非常稳定，熔点较高，极难溶于水，可以溶于大部分有机溶剂，是无色无味的脂溶性物质，所以非常容易在生物体内积累，对人体危害严重。

呋喃（oxole），它有麻醉和弱刺激作用，极度易燃。吸入后可引起头痛、头晕、恶心、呼吸衰竭。呋喃环具芳环性质，可发生卤化、硝化、磺化等亲电取代反应，主要用于有机合成或用作溶剂。

EF-1438 1,2,7,8-TCDF (13C12, 99%) 1.2 ML
EF-1442 2,3,7,8-TBDF (13C12, 99%) 4 X 1.2 ML
EF-1442-1.2 2,3,7,8-TBDF (13C12, 99%) 1.2 ML
EF-1443 2,3,7,8-TBDF UNLABELED 8 X 1.2 ML
EF-1443-1.2 2,3,7,8-TBDF UNLABELED 1.2 ML
EF-1452 1,2,3,7,8-PBDF (13C12, 99%) 4 X 1.2 ML
EF-1452-1.2 1,2,3,7,8-PBDF (13C12, 99%) 1.2 ML
EF-1453 1,2,3,7,8-PBDF UNLABELED 8 X 1.2 ML
EF-1453-1.2 1,2,3,7,8-PBDF UNLABELED 1.2 ML
EF-1454 2,3,4,7,8-PBDF (13C12, 99%) 4 X 1.2 ML
EF-1454-1.2 2,3,4,7,8-PBDF (13C12, 99%) 1.2 ML
EF-1455 2,3,4,7,8-PBDF UNLABELED 8 X 1.2 ML
EF-1455-1.2 2,3,4,7,8-PBDF UNLABELED 1.2 ML
EF-1463 1,2,3,4,7,8-HXBDF (13C12, 99%) 4 X 1.2 ML
EF-1463-1.2 1,2,3,4,7,8-HXBDF (13C12, 99%) 1.2 ML
EF-1464 1,2,3,4,7,8-HXBDF UNLABELED 8 X 1.2 ML
EF-1464-1.2 1,2,3,4,7,8-HXBDF UNLABELED 1.2 ML
EF-1486 1,2,3,4,6,7,8-HPBDF UNLABELED 8 X 1.2 ML
EF-1486-1.2 1,2,3,4,6,7,8-HPBDF UNLABELED 1.2 ML
EF-1731-A TCDF-HPCDF WINDOW DEFINING MIXTURE (DB-5) 1 VIAL
EF-1731-S TCDF-HPCDF WINDOW DEFINING MIXTURE (DB-5) 0.5 ML
EF-1785 2-MCDF UNLABELED 1.2 ML
EF-1785-C 2-MCDF UNLABELED 1 MG
EF-1786-C 4-MCDF UNLABELED 5 MG
EF-1787-C 2,4-DCDF UNLABELED 1 MG
EF-1788 2,6-DCDF UNLABELED 50 UG/ML IN TOLUENE 1 ML
EF-1788-C 2,6-DCDF UNLABELED 1 MG
EF-1789 2,8-DCDF UNLABELED 50 UG/ML IN NONANE 1.2 ML
EF-1789-C 2,8-DCDF UNLABELED 1 MG
EF-1790 1,2,3-TRCDF UNLABELED 1 ML
EF-1790-C 1,2,3-TRCDF UNLABELED 1 MG
EF-1791-C 2,3,8-TRCDF UNLABELED 1 MG
EF-1792 2,4,6-TRCDF UNLABELED 50 UG/ML IN TOLUENE 1 ML
EF-1792-C 2,4,6-TRCDF UNLABELED 5 MG
EF-1793 2,4,8-TRCDF UNLABELED 1.2 ML
EF-1793-C 2,4,8-TRCDF UNLABELED 1 MG
EF-1796 1,2,3,4,8-PCDF UNLABELED 1 ML
EF-1796-C 1,2,3,4,8-PCDF UNLABELED 1 MG
EF-4016 2,8-DICHLORODIBENZOFURAN (13C12, 99%) 1.2 ML
EF-4030 1,2,3,9-TCDF UNLABELED 1.2 ML
EF-4031 2,3,4,7-TCDF UNLABELED 1.2 ML
EF-4134 CHLORODIBENZOFURAN MIX-HIGH UNLABELED 1 ML
EF-4138 SAMPLING STD FOR EN-1948-2 (U-13C12, 99%) 1.2 ML
EF-4138-10 SAMPLING STD FOR EN-1948-2 (U-13C12, 99%) 2 X 5 ML
EF-4168 2-MCDF (13C12, 99%) 1.2 ML
EF-4171 2,4-DCDF (13C12, 99%) 1.2 ML
EF-4172 2,4,8-TRCDF (13C12, 99%) 1.2 ML
EF-5009 1,3,6,8-TCDF (13C12, 99%) 50 UG/ML IN NONANE 1.2 ML
EF-5042 NON-2,3,7,8-CONTAINING PCDF SYRINGE STANDARD (13C12, 99%) 1.2 ML
EF-5050 1,2,3,4,6-PCDF (13C12, 99%) 1.2 ML
EF-5052 1,2,3,4,6,9-HXCDF (13C12, 99%) 1.2 ML
EF-5054 1,2,3,4,6,8,9-HPCDF (13C12, 99%) 1.2 ML
EF-5075 2-MBDF UNLABELED 5 UG/ML IN NONANE 8 X 1.2 ML
EF-5076 2-MBDF (13C12, 99%) 5 UG/ML IN NONANE 4 X 1.2 ML
EF-5077 2,8-DBDF UNLABELED 5 UG/ML IN NONANE 8 X 1.2 ML
EF-5078 2,8-DBDF (13C12, 99%) 5 UG/ML IN NONANE 4 X 1.2 ML
EF-5079 2,4,8-TRBDF UNLABELED 5 UG/ML IN NONANE 8 X 1.2 ML
EF-5080 2,4,8-TRBDF (13C12, 99%) 5 UG/ML IN NONANE 4 X 1.2 ML
EF-5081 2,4,6,8-TBDF UNLABELED 5 UG/ML IN NONANE 8 X 1.2 ML
EF-5081-1.2 2,4,6,8-Tetrabromodibenzofuran
EF-5082 2,4,6,8-TBDF (13C12, 99%) 5 UG/ML IN NONANE 4 X 1.2 ML
EF-5082-1.2 2,4,6,8-TBDF (13C12, 99%) 5 UG/ML IN NONANE 1.2 ML
EF-5188 NON-2,3,7,8-CONTAINING 13C FURAN SYRINGE SPIKE (13C12, 99%) 1.2 ML
EF-5259 1,2,3,4,6,7,8-HPBDF (13C12, 99%) 4 X 1.2 ML
EF-5259-1.2 1,2,3,4,6,7,8-HPBDF (13C12, 99%) 1.2 ML
EF-5263 OBDF UNLABELED 8 X 1.2 ML
EF-5263-1.2 OBDF UNLABELED 1.2 ML
EF-5266 OBDF (13C12, 99%) 4 X 1.2 ML
EF-5266-1.2 OBDF (13C12, 99%) 1.2 ML
EF-5330 MODIFIED JIS DIOXIN & FURAN SAMPLING SPIKE (13C12, 99%) 1.2 ML
EF-5334 MODIFIED JIS LOW CONCENTRATION SAMPLING SPIKE (13C12, 99%) 1.2 ML
EF-5384 PBDD/F SAMPLING SPIKE STOCK (13C12, 99%) 1.2 ML
EF-5384-4X PBDD/F SAMPLING SPIKE STOCK (13C12, 99%) 1.2 ML
EF-5394 DIOXIN SYRINGE SPIKE (13C12, 99%) 1.2 ML
EF-5394-0.5X DIOXIN SYRINGE SPIKE (13C12, 99%) 10 NG/ML IN NONANE 1.2 ML
EF-5410 BROMODIOXIN/FURAN SAMPLING SPIKE (13C12, 99%) 1.2 ML
EF-903 2,3,7,8-TCDF UNLABELED 1.2 ML
EF-903-C 2,3,7,8-TCDF UNLABELED 1 MG
EF-904 2,3,7,8-TCDF (13C12, 99%) 1.2 ML
EF-909B-25 TCDF-HPCDF STANDARD SOLUTION B 2,3,7,8 ISOMERS 1.2 ML
EF-909B-5 TCDF-HPCDF STANDARD SOLUTION B 2,3,7,8 ISOMERS 1.2 ML
EF-918 1,2,7,8-TCDF UNLABELED 1.2 ML
EF-919 2,3,4,8-TCDF UNLABELED 1.2 ML
EF-920 1,2,3,4-TCDF (13C12, 99%) 1.2 ML
EF-921 1,2,3,4-TCDF UNLABELED 1.2 ML
EF-921-C 1,2,3,4-TCDF UNLABELED 1 MG
EF-939 1,2,8,9-TCDF UNLABELED 1.2 ML
EF-942-50 1,3,4,6,8-PCDF UNLABELED 50 UG/ML IN NONANE 1.2 ML
EF-943-50 1,2,3,4,6,8-HXCDF UNLABELED 50 UG/ML IN NONANE 1.2 ML
EF-944 1,3,6,8-TCDF UNLABELED 1.2 ML
EF-952 1,2,3,7,8-PCDF (13C12, 99%) 1.2 ML
EF-953 1,2,3,7,8-PCDF UNLABELED 1.2 ML
EF-953-C 1,2,3,7,8-PCDF UNLABELED 1 MG
EF-953-M 1,2,3,7,8-PCDF (50 ug/mL in Methanol) UNLABELED 1.2 ML
EF-954 1,2,3,8,9-PCDF UNLABELED 1.2 ML
EF-954-C 1,2,3,8,9-PCDF 　 　
EF-956 2,3,4,7,8-PCDF UNLABELED 1.2 ML
EF-956-C 2,3,4,7,8-PCDF UNLABELED 1 MG
EF-956-M 2,3,4,7,8-PCDF UNLABELED 50 UG/ML IN MEOH 1.2 ML
EF-958 2,3,4,7,8-PCDF (13C12, 99%) 1.2 ML
EF-962 1,2,3,6,7,8-HXCDF UNLABELED 1.2 ML
EF-962-C 1,2,3,6,7,8-HXCDF UNLABELED 1 MG
EF-963 1,2,3,4,7,8-HXCDF (13C12, 99%) 1.2 ML
EF-964 1,2,3,4,7,8-HXCDF UNLABELED 1.2 ML
EF-964-C 1,2,3,4,7,8-HXCDF UNLABELED 1 MG
EF-965 1,2,3,4,8,9-HXCDF UNLABELED 1.2 ML
EF-965-C 1,2,3,4,8,9-HxCDF 　 　
EF-967 1,2,3,7,8,9-HXCDF UNLABELED 1.2 ML
EF-967-C 1,2,3,7,8,9-HXCDF UNLABELED 1 MG
EF-968 2,3,4,6,7,8-HXCDF UNLABELED 1.2 ML
EF-968-C 2,3,4,6,7,8-HXCDF UNLABELED 1 MG
EF-973 1,2,3,4,6,7,8-HPCDF UNLABELED 1.2 ML
EF-973-C 1,2,3,4,6,7,8-HPCDF UNLABELED 1 MG
EF-974 1,2,3,4,6,7,8-HPCDF (13C12, 99%) 1.2 ML
EF-975 1,2,3,4,7,8,9-HPCDF UNLABELED 1.2 ML
EF-975-C 1,2,3,4,7,8,9-HPCDF UNLABELED 1 MG
EF-982 OCTACHLORODIBENZOFURAN UNLABELED 1.2 ML
EF-982-C OCTACHLORODIBENZOFURAN UNLABELED 10 MG
EF-982-C-1 OCTACHLORODIBENZOFURAN UNLABELED 1 MG
EF-983 OCTACHLORODIBENZOFURAN (13C12, 99%) 1.2 ML
EF-985 1,2,3,6,7,8-HXCDF (13C12, 99%) 1.2 ML
EF-986 1,2,3,7,8,9-HXCDF (13C12, 99%) 1.2 ML
EF-987 2,3,4,6,7,8-HXCDF (13C12, 99%) 1.2 ML
EF-988 1,2,3,4,7,8,9-HPCDF (13C12, 99%) 1.2 ML
EF-999 TCDF-OCDF STANDARD SOLUTION (13C12, 99%) (2,3,7,8 ISOMERS) 1.2 ML


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