美国MRC(Molecular Research Center) 
美国MRC(Molecular Research Center)公司，拥有一步法TRIzol RNA抽提方法的专利（USA patents 4,843,155/5,346,994和世界专利。到目前为止，MRC创始人P. Chomczynski和N. Sacchi’s发表的文章已经被引用了40,000多次）。该方法是目前最经典和最常用的RNA抽提方法。

MRC公司除了直接销售该产品外，并为世界上多家著名的分子生物学公司提供大包装原料。MRC公司拥有的国际著名注册商标有TRIzol®，FORMAzol，DNAzol等。

TRI reagent是美国MRC公司的著名品牌。该试剂是目前唯一商业化的可以从各种样本（人、动物、植物、细菌、病毒等物种的不同类型的生物样本）中同时抽提RNA、DNA和蛋白质的试剂，也是世界上应用最广的RNA抽提试剂。

Molecular Research Center, Inc., founded by P. Chomczynski, develops and manufactures innovative products for the isolation and analysis of RNA and DNA. It is a corporation " run by scientists for scientists" and we are continuously working on the development and improvement of molecular biology techniques. Beginning with the single-step method for RNA isolation we have worked to simplify nucleic acid isolation protocols while providing improved recovery and sample purity. Our patented RNA and DNA extraction techniques are recognized around the world for their performance, reliability and cost effectiveness.