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9H-Fluorene other name is fluorene,it can be used to make medicine, dyes,it can also synthesize insecticides and herbicides; make impact-resistant organic Glass and fluorene

9H-Fluorene other name is Fluorene ,CAS 86-73-7,it is an important organic synthetic raw material. The content of fluorene in coal tar is about 1.0~2.0%. Fluorene products mainly

Fluorene ,other name is 9h-fluorene,CAS NO 86-73-7,it is an important organic synthetic raw material. The content of fluorene in coal tar is about 1.0~2.0%. Fluorene products

Di-tert-butyl dicarbonate cas no 24424-99-5,it should be lightly loaded, lightly unloaded, heat-proof, rain-proof, moisture-proof, damaged, protected from sunlight and impact

di-tert-butyl dicarbonate CAS NO 24424-99-5,it is made from sodium tert-butoxide and carbon dioxide as the main raw materials. Mainly used in the synthesis of pharmaceutical

Di-tert-butyl dicarbonate CAS NO 24424-99-5, is used in organic synthesis to introduce tert-butoxycarbonyl protective genes, especially for amino acid protection. It is widely

Di-tert-butyl dicarbonate CAS 24424-99-5, it is used in organic synthesis to introduce tert-butoxycarbonyl protective genes, especially for amino acid protection. It is widely

9h-fluorene other name is fluorene,CAS NO 86-73-7,it is white crystal powder,it insoluble in water, soluble in ethanol, ether, benzene, carbon dioxide and other organic

Di-tert-butyl dicarbonate CAS NO 24424-99-5,it is a white crystalline solid or colorless transparent liquid. It is easily soluble in organic solvents such as benzene, xylene and

Wash oil can be used to wash out benzene or naphthalene compounds from the coal gas, and it is fractionation of coal tar oil and petroleum, 230 ° C ~ 300 ° C, the use of its

wash oil is mainly used for washing benzene or naphthalene from tar coal gas, as raw materials for separation and extraction of biphenyl, methylnaphthalene, acenaphthene, fluorene

Wash oil is brown oily liquid, boiling range of 230-300 ℃, the main components are methylnaphthalene, biphenyl, indole, acenaphthene and so on. Is a combustible items. Wash oil