Thiophene is a five-membered heterocyclic compound containing a sulfur heteroatom with the molecular formula C4H4S. Thiophene is aromatic and is very similar to benzene; electrophilic substitution reaction is easier than benzene, and it is mainly substituted at the 2-position. Thiophene ring system has certain stability to oxidant.
Cyclopentane is a cycloalkane, an organic compound with a molecular formula of C5H10, a colorless and transparent liquid, insoluble in water, soluble in most organic solvents such as ethanol, ether, benzene, carbon tetrachloride, acetone, etc. It is mainly used as a solvent and chromatographic reference materials.
Cyclopentanes,where to buy Cyclopentanes
Cyclopentanes
Cyclopentane (also called C pentane) is a highly flammable alicyclic hydrocarbon with chemical formula C5H10 and CAS number 287-92-3, consisting of a ring of five carbon atoms each bonded with two hydrogen atoms above and below the plane. It occurs as a colorless liquid with a petrol-like odor.
検索 
+86 21 5895 0110 
