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denik bpc 157 price Buy Bpc-157: 1 (Peptide Guides) Book Online at Low Prices in India Size:60mL / 2oz auto_sub_discount_price_value=20 Does Walgreens sell Distilled
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实施例2中试规模的BPC157肽合成过程 The BPC157 peptide synthesis process of the pilot scale of embodiment 2 参照实施例1的具体过程，所不同的是所有试剂直接放大20倍，即称取王氏树脂20g(Loadding：1.0mmol/g)进行反应，也以实施例1的TBTU/HOBt反应，制备树脂-肽接合物，切割制备粗肽，共得粗品24g，HPLC检测纯度为75％。按实施例1中的纯化方法纯化粗肽，色谱柱可用C 18 色谱柱(Kromasil-C 18 ，30mm*250mm，汉邦科技色谱公司)，分多次上样，分别收集目标峰的流出液，最后合并，浓缩冻干，得成品13.6g，HPLC测定纯度大于98％，表明该技术条件可以直接放大生产。 Referring to the specific process of Example 1, the difference is that all reagents are directly amplified 20 times, that is, 20 g of Wang's resin (Loadding: 1.0 mmol/g) is weighed for reaction, and the TBTU/HOBt reaction of Example 1 is also used to prepare the resin - Peptide conjugates, cleaved to prepare crude peptides, a total of 24 g of crude products were obtained, with a purity of 75% as determined by HPLC
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