久久精品国产只有精品66,一区二区免费特级片,小视频成人在线观看,日韩国产一区二区三区,亚洲免费在线观看,日韩无码精品少妇,亚洲另类天堂一区二区三区,国产午夜三级精品久久9,国产无码三级在线视频

中文版English

CAS Number: 13134-31-1
pyrazine-2,3-diamine

Structure

pyrazine-2,3-diamine
Name: pyrazine-2,3-diamine
Synonyms:
General Information
Product Number: 13134311

CAS Registry Number 13134-31-1
Name:
2,?3-?Pyrazinediamine
Pyrazine, 2,3-diamino- (7CI,8CI)
2,3-Diaminopyrazine
NSC 139902

 

Chemical Formula: C4H6N4
Exact Mass: 110.06
Molecular Weight: 110.12
m/z: 110.06 (100.0%), 111.06 (5.8%)

 

InChI:InChI=1S/C4H6N4/c5-3-4(6)8-2-1-7-3/h1-2H,(H2,5,7)(H2,6,8)

InChI Key:CAFSXVAFGILCCI-UHFFFAOYSA-N

Canonical SMILES:C1=CN=C(C(=N1)N)N

 

Thermal Properties Value Condition Note
Melting Point 205.6 °C   (1)CAS
Melting Point 205 °C   (2)CAS

Specification

98%

References
  1. (1) McDonald, Francis G.; Journal of the American Chemical Society 1947, V69, P1034-7 CAPLUS
  2. (2) Camerino, Bruno; Gazzetta Chimica Italiana 1960, V90, P1807-14 CAPLUS
Contact Us
TEL:  86-17758012822
FAX:  86-571-87759731
E-mail:sales@hzchempro.com
[ CLOSE ]