다롄펑루이화학제품유한회사

　　Synonyms Isonicotinaldehyde; Pyridine-4-carboxaldehyde 　　Molecular Formula C6H5NO 　　Molecular Weight 107.11 　　CAS Registry Number 872-85-5 　　EINECS 212-832-3 　　Properties 　　Density 1.138 　　Melting point -4--2ºC 　　Boiling point 198ºC 　　Refractive index 1.542-1.545 　　Flash point 82ºC 　　Water solubility 20 g/L (20ºC)

　　Molecular Formula C7H8N2O3 　　Molecular Weight 168.15 　　CAS Registry Number 37699-43-7 　　Properties 　　Melting point 94-98ºC 　　Appearance: straw yellow powder melting point: 94-98ºCpurity:≥99.0%water:≤0.5%impurity:≤0.6%

　　CAS No.: 74-99-7 　　molecular formula: C3H4 　　molecular weight: 40.06 　　Assay:99%

　　Synonyms 4-Methoxybenzyl 3-chloromethyl-7-(2-phenylacetamido)-3-cephem-4-carboxylate 　　Molecular Formula C24H23ClN2O5S 　　Molecular Weight 486.97 　　CAS Registry Number 104146-10-3

　　Synonyms 2,3,4,5,6-Pentafluorophenol; PFP 　　Molecular Formula C6HF5O 　　Molecular Weight 184.06 　　CAS Registry Number 771-61-9 　　EINECS 212-235-8 　　Properties 　　Melting point 34-36ºC 　　Boiling point 143ºC 　　Flash point 72ºC 　　Water solubility soluble