PEG3-Tos 更新时间：2020-12-18 22:54:27 采购访问：1次 常用名 对甲苯磺酸酯-三聚乙二醇 CAS号 77544-68-4 价格 $需询单/100mg $需询单/250mg $需询单/500mg 纯度 98.0% 备货期 3天 库存 现货 产品网页 www.dcchemicals.com/product_show-PEG3-Tos.html 产品详情（用途，包装等） PEG3-Tos is a PEG derivative containing a hydroxyl group and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The tosyl group is a very good leaving group for nucleophilic substitution reactions. 供应商信息 DC Chemicals Limited 认证状态： 已认证供应商 商品数： 20124件 电话： 58447131 地址： 浦东新区金豫路100号 地区： 上海市 上海市 浦东新区 联系人： Tony Cao 联系人电话： 862158447131 邮件： sales@dcchemicals.com 网址： www.dcchemicals.com 年贸易额： >1000万 D&C Chemicals provides a wide range of research chemicals and biochemicals including novel life-science reagents, reference compounds, APIs and Natural compounds for laboratory and scientific use. D&C Chem has established a global network of thousands of customers from many research centers and Reagent companies in the USA, Europe and Japan. We are the the official vendor of more than 500 universities and institutes including: Harvard University,Yale University,NIH/NCI, City of Hope ORG, PARTNERS ORG,John Hopkins University,Universit tsklinikum,Oxford University,Newcastle University,UNC,UCSF and many other universities and institutes. Our bioactive compounds received good feedback from our customers. Our credo is committed to the adoption of different products, reliable quality, competitive prices and quality service to create value for customers.