System to describe the chemical formulas for WEB.
Attention! The site in the process of rebranding.
The old name easyChem was too common. New name: CharChem.
The site is already available via the new domain charchem.org, which soon will become the main. However, the old domain easychem.org will also be available.

Pyrazine

Find chemicals by name or formulas.
This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).

Type the part of name or the formula of substance for search:
Languages: | | | Apply to found

Pyrazine

Molecular formula: C4H4N2 CAS# 290-37-9
Categories: Heterocyclic compound
Names
English:
1,4-Diazabenzene
1,4-Diazine
CCRIS 1331
EINECS:206-027-6
NSC 400221
Paradiazine
Piazine
Pyrazine(IUPAC)(CAS) [Wiki]
UN 1325
p-Diazine
Русский:
Пиразин
German:
1,4-Diazabenzol
1,4-Diazin
Pyrazin [Wiki]
Español:
1,3-Diazobenceno
1,4-Diazina
Pirazina(IUPAC) [Wiki]
French:
1,4-Diazabenzène
1,4-Diazine
Paradiazine
Piazine
Pyrazine(IUPAC) [Wiki]
Italiano:
Pirazina [Wiki]
日本語:
1,4-ジアザベンゼン
ピラジン(IUPAC) [Wiki]
中文:
1,4-二嗪
吡嗪 [Wiki]
對二嗪
العربية:
بايرازين [Wiki]

Variants of the formula:

\\N|`//`\N`||/
N\|`/N`\`|/_o
H\/$dots(T)N\</H>||<\H>`/$dots(B)N`\\<`/H>`|/
@:Tx(n,a)<_(A&a,L.5,N0)$itemColor1(blue)"&n">@; N@Tx(1,90)/@Tx(2,60)`||@Tx(3,-60)`\N@Tx(4,-90)`//@Tx(5,-120)|@Tx(6,120)\\
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent