4-Chlorobenzonitrile, with the chemical formula C7H4ClN, has the CAS number 623-03-0. It appears as a white crystalline solid with a faint, aromatic odor.
Formamide
Product name: Formamide
CAS number: 75-12-7
Molecular formula: CH3NO
Molecular weight: 45.04
Appearance: Colorless transparent liquid
Packaging: Barrel
Use: It is a raw material for synthetic medicine, fragrance, dye, etc. It can also be used as a solvent for synthetic fiber spinning, plastic processing, and wood casein ink production.