在化学中,相转移催化剂或PTC是促进反应物从一个相迁移到另一个发生反应的相的催化剂.相转移催化是一种特殊的多相催化形式.离子反应物通常溶于水相,但在没有相转移催化剂的情况下不溶于有机相.催化剂的功能类似于将盐溶解到有机相中的洗涤剂.相转移催化是指在相转移催化剂的加入下反应的加速
-
98% CAS No.:140-72-7
-
SKU-Pack Size Availability Price(¥) Quantity R005052-1g In-Stock(Shanghai or CA Irwindale) R005052-5g In-Stock(Shanghai or CA Irwindale) R005052-10g In-Stock(Shanghai or CA Irwindale) R005052-25g In-Stock(Shanghai or CA Irwindale) R005052-100g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:54016-70-5
-
SKU-Pack Size Availability Price(¥) Quantity R240327-1g In-Stock(Shanghai or CA Irwindale) R240327-5g In-Stock(Shanghai or CA Irwindale) R240327-25g In-Stock(Shanghai or CA Irwindale) R240327-100g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:227617-70-1
-
SKU-Pack Size Availability Price(¥) Quantity R653802-1g In-Stock(Shanghai or CA Irwindale) R653802-5g In-Stock(Shanghai or CA Irwindale) R653802-10g In-Stock(Shanghai or CA Irwindale) R653802-25g In-Stock(Shanghai or CA Irwindale) R653802-100g In-Stock(Shanghai or CA Irwindale) -
CAS No.:10108-86-8
-
SKU-Pack Size Availability Price(¥) Quantity R097996-1g In-Stock(Shanghai or CA Irwindale) R097996-5g In-Stock(Shanghai or CA Irwindale) R097996-10g In-Stock(Shanghai or CA Irwindale) R097996-25g In-Stock(Shanghai or CA Irwindale) R097996-100g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:18464-23-8
-
SKU-Pack Size Availability Price(¥) Quantity R134861-1g In-Stock(Shanghai or CA Irwindale) R134861-5g In-Stock(Shanghai or CA Irwindale) R134861-10g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:10108-87-9
-
SKU-Pack Size Availability Price(¥) Quantity R097997-5g In-Stock(Shanghai or CA Irwindale) R097997-10g In-Stock(Shanghai or CA Irwindale) R097997-25g In-Stock(Shanghai or CA Irwindale) R097997-100g In-Stock(Shanghai or CA Irwindale) R097997-500g In-Stock(Shanghai or CA Irwindale) R097997-1000g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:18464-25-0
-
SKU-Pack Size Availability Price(¥) Quantity R134862-1g In-Stock(Shanghai or CA Irwindale) R134862-5g In-Stock(Shanghai or CA Irwindale) R134862-10g In-Stock(Shanghai or CA Irwindale) R134862-25g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:2082-84-0
-
SKU-Pack Size Availability Price(¥) Quantity R038101-1g In-Stock(Shanghai or CA Irwindale) R038101-5g In-Stock(Shanghai or CA Irwindale) R038101-10g In-Stock(Shanghai or CA Irwindale) R038101-25g In-Stock(Shanghai or CA Irwindale) R038101-100g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:112-00-5
-
SKU-Pack Size Availability Price(¥) Quantity R003548-10g In-Stock(Shanghai or CA Irwindale) R003548-25g In-Stock(Shanghai or CA Irwindale) R003548-100g In-Stock(Shanghai or CA Irwindale) R003548-500g In-Stock(Shanghai or CA Irwindale) R003548-1000g In-Stock(Shanghai or CA Irwindale) -
98% CAS No.:162148-48-3
-
SKU-Pack Size Availability Price(¥) Quantity R620141-1g In-Stock(Shanghai or CA Irwindale) R620141-5g In-Stock(Shanghai or CA Irwindale) R620141-10g In-Stock(Shanghai or CA Irwindale) R620141-25g In-Stock(Shanghai or CA Irwindale) R620141-100g In-Stock(Shanghai or CA Irwindale) -
CAS No.:27668-52-6
-
SKU-Pack Size Availability Price(¥) Quantity R171997-250mg In-Stock(Shanghai or CA Irwindale) R171997-1g In-Stock(Shanghai or CA Irwindale) R171997-5g In-Stock(Shanghai or CA Irwindale) R171997-10g In-Stock(Shanghai or CA Irwindale) -
95% CAS No.:60-31-1
-
SKU-Pack Size Availability Price(¥) Quantity R000479-1g In-Stock(Shanghai or CA Irwindale) R000479-5g In-Stock(Shanghai or CA Irwindale) R000479-10g In-Stock(Shanghai or CA Irwindale) R000479-25g In-Stock(Shanghai or CA Irwindale) R000479-100g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:855945-03-8
-
SKU-Pack Size Availability Price(¥) Quantity R770171-100mg In-Stock(Shanghai or CA Irwindale) R770171-250mg In-Stock(Shanghai or CA Irwindale) R770171-1g In-Stock(Shanghai or CA Irwindale) R770171-5g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:24472-88-6
-
SKU-Pack Size Availability Price(¥) Quantity R160232-100mg In-Stock(Shanghai or CA Irwindale) R160232-250mg In-Stock(Shanghai or CA Irwindale) R160232-1g In-Stock(Shanghai or CA Irwindale) R160232-5g In-Stock(Shanghai or CA Irwindale) -
98% CAS No.:7281-04-1
-
SKU-Pack Size Availability Price(¥) Quantity R912105-5g In-Stock(Shanghai or CA Irwindale) R912105-10g In-Stock(Shanghai or CA Irwindale) R912105-25g In-Stock(Shanghai or CA Irwindale) -
96% CAS No.:135544-68-2
-
SKU-Pack Size Availability Price(¥) Quantity R587522-1g In-Stock(Shanghai or CA Irwindale) R587522-5g In-Stock(Shanghai or CA Irwindale) R587522-10g In-Stock(Shanghai or CA Irwindale) R587522-25g In-Stock(Shanghai or CA Irwindale) R587522-100g In-Stock(Shanghai or CA Irwindale) R587522-500g In-Stock(Shanghai or CA Irwindale) -
97% CAS No.:72556-74-2
-
SKU-Pack Size Availability Price(¥) Quantity R369391-1g In-Stock(Shanghai or CA Irwindale) R369391-5g In-Stock(Shanghai or CA Irwindale) R369391-10g In-Stock(Shanghai or CA Irwindale) R369391-25g In-Stock(Shanghai or CA Irwindale) R369391-100g In-Stock(Shanghai or CA Irwindale) R369391-500g In-Stock(Shanghai or CA Irwindale)