日韩激情中文字幕一区二区,咪咪爱影院,91原创国产,国产精品亚洲片在线va,欧美在线观看一区二区三区,精品国产亚洲一区二区三区,欧美在线二区

[Product name]:

4-Pyrazolecarboxylic Acid Ethyl Ester;

Ethyl pyrazole-4-carboxylate;

ethyl 1H-pyrazole-4-carboxylate

[Structural Formula]:

[Molecular Formula]:

C₆H₈N₂O₂

[Molecular Weight]:

140.14

[CAS NO]:

37622-90-5

[Packing]:

Properties

Appearance

White or yellow crystal powder

Melting range ℃

78-80

Quality Specifications

Purity%

≥98.0

Moisture %

≤0.5