1,3-丙烷磺内酯,1,3-Propanesultone;≥99%, acid <200 ppm, H2O <100 ppm
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叔丁醇钾,Potassium tert-butoxide [t-BuOK];sublimed grade, 99.99% trace metals basis -
六氯锇铵 [六氯锇酸铵],Ammonium hexachloroosmate(IV);99.99% trace metals basis -
半纤维素酶来源于黑曲霉,Hemicellulase from Aspergillus niger;powder, 0.3-3.0 unit/mg solid (using a β-galactose dehydrogenase system and locust bean gum as substrate) -
甲氧苄啶,Trimethoprim;≥98% (HPLC) -
(1S)-(+)-10-樟脑磺酸,(+)-Camphor-10-sulfonic acid;purum, ≥98.0% (T) -
4-甲基伞形酮,4-Methylumbelliferone [4-MU];≥98%
