5,6-dimethyl-2,3-dihydropyrazine

Modify Date: 2025-08-26 08:35:21

5,6-dimethyl-2,3-dihydropyrazine Structure
5,6-dimethyl-2,3-dihydropyrazine structure
 Common Name 5,6-dimethyl-2,3-dihydropyrazine
CAS Number 15986-92-2 Molecular Weight 110.15700
Density 1.02g/cm3 Boiling Point 173.2ºC at 760mmHg
Molecular Formula C6H10N2 Melting Point N/A
MSDS N/A Flash Point 49.8ºC

 Names

Name 5,6-dimethyl-2,3-dihydropyrazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.02g/cm3
Boiling Point 173.2ºC at 760mmHg
Molecular Formula C6H10N2
Molecular Weight 110.15700
Flash Point 49.8ºC
Exact Mass 110.08400
PSA 24.72000
Vapour Pressure 1.71mmHg at 25°C
Index of Refraction 1.53

 Safety Information

HS Code 2933990090

 Synthetic Route

1,2-Ethanediamine structure

1,2-Ethanediamine

CAS#:107-15-3

butane-2,3-dione structure

butane-2,3-dione

CAS#:431-03-8

~85%

5,6-dimethyl-2,3-dihydropyrazine Structure

5,6-dimethyl-2,...

CAS#:15986-92-2

Literature: Ito, Shigeru; Takechi, Shinji; Nakahara, Kazuhide; Kashige, Nobuhiro; Yamaguchi, Tadatoshi Chemical and Pharmaceutical Bulletin, 2010 , vol. 58, # 6 p. 825 - 828
butane-2,3-dione structure

butane-2,3-dione

CAS#:431-03-8

~72%

5,6-dimethyl-2,3-dihydropyrazine Structure

5,6-dimethyl-2,...

CAS#:15986-92-2

Literature: Schering Aktiengesellschaft Patent: US6207665 B1, 2001 ; US 6207665 B1
1,2-Ethanediamine structure

1,2-Ethanediamine

CAS#:107-15-3

3-Butyn-2-ol structure

3-Butyn-2-ol

CAS#:2028-63-9

~50%

5,6-dimethyl-2,3-dihydropyrazine Structure

5,6-dimethyl-2,...

CAS#:15986-92-2

Literature: Barluenga, Jose; Aznar, Fernando; Liz, Ramon; Cabal, Maria-Paz Synthesis, 1985 , # 3 p. 313 - 314

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

EINECS 240-122-3
Pyrazine,2,3-dihydro-5,6-dimethyl
2,3-Dihydro-5,6-dimethylpyrazine
2,3-dimethyldihydropyrazine
2,3-dimethyl-5,6-dihydro-pyrazine
Dimethyl-2,3-dihydro-5,6-pyrazin
5,6-Dimethyl-2,3-dihydro-pyrazin
5,6-dimethyl-2,3-dihydro-pyrazine
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