ChemicalBook > CAS DataBase List > 2-AMINO-3-(METHYLAMINO)PYRAZINE

2-AMINO-3-(METHYLAMINO)PYRAZINE

Product Name
2-AMINO-3-(METHYLAMINO)PYRAZINE
CAS No.
84996-40-7
Chemical Name
2-AMINO-3-(METHYLAMINO)PYRAZINE
Synonyms
N2-methylpyrazine-2,3-diamin;N-METHYLPYRAZINE-2,3-DIAMINE;N2-methylpyrazine-2,3-diamine;2,3-Pyrazinediamine, N2-methyl-;2-AMINO-3-(METHYLAMINO)PYRAZINE
CBNumber
CB1138793
Molecular Formula
C5H8N4
Formula Weight
124.14
MOL File
84996-40-7.mol
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2-AMINO-3-(METHYLAMINO)PYRAZINE Property

storage temp. 
under inert gas (nitrogen or Argon) at 2–8 °C
Appearance
Yellow to brown Solid
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC
Product number
A578080
Product name
2-Amino-3-(methylamino)pyrazine
Packaging
100mg
Price
$65
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA154142
Product name
2-Amino-3-(methylamino)pyrazine
Packaging
250mg
Price
$95
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA154142
Product name
2-Amino-3-(methylamino)pyrazine
Packaging
500mg
Price
$165
Updated
2021/12/16
Matrix Scientific
Product number
118862
Product name
2-Amino-3-(methylamino)pyrazine
Purity
95+%
Packaging
250mg
Price
$180
Updated
2021/12/16
AK Scientific
Product number
Y6424
Product name
N2-Methylpyrazine-2,3-diamine
Packaging
1g
Price
$211
Updated
2021/12/16
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2-AMINO-3-(METHYLAMINO)PYRAZINE Chemical Properties,Usage,Production

Synthesis

6863-73-6

74-89-5

84996-40-7

General procedure for the synthesis of 2-amino-3-methylaminopyrazine from 2-amino-3-chloropyrazine (5.20 g, 40.1 mmol) and monomethylamine: 2-amino-3-chloropyrazine (5.20 g, 40.1 mmol) and CuSO4 (640 mg, 4.01 mmol) in 12 M aqueous methylamine solution (40.0 mL, 480 mmol) were The mixture was placed in a microwave reactor and the reaction was stirred at 120 °C for 3 hours. Upon completion of the reaction, the reaction mixture was cooled to room temperature and concentrated under reduced pressure to remove the solvent. The residue was purified by fast column chromatography (silica gel as stationary phase and chloroform solution with 0-5% methanol as eluent) to afford the target product 2-amino-3-methylaminopyrazine (3.99 g, 80% yield) as a yellow solid. The structure of the product was confirmed by 1H NMR (DMSO-d6) and mass spectrometry (ESI): 1H NMR (DMSO-d6) δ 2.81 (d, 3H, J=4.7 Hz), 5.84 (s, 2H), 6.13 (q, 1H, J=4.7 Hz), 7.09 (d, 1H, J=3.1 Hz), 7.23 (d, 1H, J=3.1 Hz ); MS (ESI) m/z 125 [M+H]+.

References

[1] Bioorganic and Medicinal Chemistry, 2014, vol. 22, # 13, p. 3515 - 3526

2-AMINO-3-(METHYLAMINO)PYRAZINE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-AMINO-3-(METHYLAMINO)PYRAZINE Suppliers

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