久久久又黄又爽免费观看下载,久久久久精品国产亚洲AV麻豆,精品欧美日韩一区二区三区,国产精品久久久久久久久免费蜜桃,丰满少妇高潮惨叫久久久久

Product and Service

Current position: Home > Product and Service > > Pharmaceutical intermediates

Pharmaceutical intermediates

2,3,4,5-Tetramethyl-2-Cyclopentenone
2,3,4,5-Tetramethyl-2-Cyclopentenone

 Name:2,3,4,5-Tetramethyl-2-Cyclopentenone

CasNO.:54458-61-6

Purity:≥98.0%

Molecular formula: c9h14o

Molecular weight: 138.1

Appearance and properties: colorless light yellow liquid

Density: 0.927g/mlat 20 ℃ (lit.)

Boiling point: 100 ℃ 30mmhg (lit.)

Contact us


Address: No. 6, Anping Road, fluorine chemical industry park, yimotu Town, Fumeng County, Fuxin City, Liaoning Province(the first one in the park)
Contact: Mr. Zheng
E-mail:

 

久久久又黄又爽免费观看下载,久久久久精品国产亚洲AV麻豆,精品欧美日韩一区二区三区,国产精品久久久久久久久免费蜜桃,丰满少妇高潮惨叫久久久久