标题（Title） 一般不超过80个字符
ChemicalBook
（12 个字符）
关键词（KeyWords）一般不超过100个字符
ChemicalBook focus on the Chemical industry users to provide the most valuable resources,you can use the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure searchable for chemical physical properties, safety data, Excellent china suppliers and their web addresses.
（305 个字符）
描述（Description）一般不超过200个字符
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
（363 个字符）
