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16298-03-6

Basic Information
CAS No.: 16298-03-6
Name: Methyl 3-amino-2-pyrazinecarboxylate
Article Data: 29
Molecular Structure:
Molecular Structure of 16298-03-6 (Methyl 3-amino-2-pyrazinecarboxylate)
Formula: C6H7N3O2
Molecular Weight: 153.14
Synonyms: 2-Pyrazinecarboxylicacid, 3-amino-, methyl ester;Pyrazinoic acid, 3-amino-, methylester (6CI);3-Aminopyrazine-2-carboxylicacid methyl ester;Methyl3-aminopyrazine-2-carboxylate;
EINECS: 240-387-5
Density: 1.319 g/cm3
Melting Point: 169-172 °C(lit.)
Boiling Point: 300.8 °C at 760 mmHg
Flash Point: 135.7 °C
Appearance: yellow crystalline powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 22-24/25-37/39-26
PSA: 78.10000
LogP: 0.42660
Synthetic route
67-56-1

methanol

5424-01-1

3-aminopyrazinoic acid

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
With chlorosulfonic acid In methanol at 20℃; for 16h;80%
With sulfuric acid80%
With sulfuric acid at 20℃; Cooling with ice;76%
5049-61-6

2-Aminopyrazine

600-22-6

pyruvic acid methyl ester

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
With sulfuric acid; dihydrogen peroxide; iron(II) sulfate 1) -10 deg C, 2) 30 min, 0 deg C, 3) 30 min, room temperature;72%
5424-01-1

3-aminopyrazinoic acid

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol; sulfuric acid; water63%
5693-62-9

2,3,4,5-tetrahydro-6-methoxypyridine

5424-01-1

3-aminopyrazinoic acid

A

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

B

35982-77-5

5,6,7,8-Tetrahydro-1,4,8a,10-tetraaza-anthracen-9-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 2h; Heating; Yields of byproduct given;A n/a
B 12 % Turnov.
2525-16-8

O-methylcaprolactim

5424-01-1

3-aminopyrazinoic acid

A

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

B

36120-38-4

7,8,9,10-Tetrahydro-6H-1,4,5,10a-tetraaza-cyclohepta[b]naphthalen-11-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 2h; Heating; Yields of byproduct given;A n/a
B 17 % Turnov.
79-22-1

methyl chloroformate

69982-02-1

1,1,1-triphenyl-N-(pyrazin-2-yl)-λ5-phosphanimine

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
With hydrogenchloride; triethylamine 1.) benzene, 80 deg C, 20 min, 2.) ethanol, water, 78 deg C, 6 h; Yield given. Multistep reaction;
1027511-72-3

3-Azidocarbonyl-pyrazine-2-carboxylic acid methyl ester

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
In benzene for 24h; Heating;99.0 g
175231-47-7

3-(chlorocarbonyl)pyrazinecarboxylic acid, methyl ester

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaN3 / H2O; acetone / 18 h / 0 °C
2: 99.0 g / benzene / 24 h / Heating
View Scheme
73763-86-7

3-[(methyloxy)carbonyl]-2-pyrazinecarboxylic acid

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: SOCl2 / CHCl3; dimethylformamide / 4 h / Heating
2: NaN3 / H2O; acetone / 18 h / 0 °C
3: 99.0 g / benzene / 24 h / Heating
View Scheme
5424-01-1

3-aminopyrazinoic acid

18107-18-1

diazomethyl-trimethyl-silane

16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

Conditions
ConditionsYield
In methanol; toluene at 0℃; for 0.5h;
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Chemistry

Molecular Structure of Methyl 3-amino-2-pyrazinecarboxylate (CAS NO.162887-23-2):

IUPAC Name: methyl 3-aminopyrazine-2-carboxylate
Empirical Formula: C6H7N3O2
Molecular Weight: 153.1387
H bond acceptors: 5
H bond donors: 2
Freely Rotating Bonds: 2
Polar Surface Area: 55.32 Å2
Index of Refraction: 1.576
Surface Tension: 62.4 dyne/cm
Density: 1.319 g/cm3
Flash Point: 135.7 °C
Enthalpy of Vaporization: 54.09 kJ/mol
Boiling Point: 300.8 °C at 760 mmHg
Vapour Pressure: 0.0011 mmHg at 25°C
Melting Point:169-172 °C(lit.)
InChI
InChI=1/C6H7N3O2/c1-11-6(10)4-5(7)9-3-2-8-4/h2-3H,1H3,(H2,7,9)
Smiles
c1(C(=O)OC)c(nccn1)N
Product Categories: Pyrazines; Heterocyclic Compounds; Chemical Amines; Pyrazinecarboxylic Acid & Derivatives; Pyrazine; Amines; Heterocycles; Building Blocks; Heterocyclic Building Blocks

Safety Profile

Hazard Codes: IrritantXi
The Risk Statements information of  Methyl 3-Amino-2-Pyrazinecarboxylate (CAS NO.16298-03-6):
36/37/38:  Irritating to eyes, respiratory system and skin 
The Safety Statements information of  Methyl 3-Amino-2-Pyrazinecarboxylate (CAS NO.16298-03-6):
22:  Do not breathe dust 
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
24/25:  Avoid contact with skin and eyes 
37/39:  Wear suitable gloves and eye/face protection 
WGK Germany: 3
HazardClass: irritant

Specification

 Methyl 3-amino-2-pyrazinecarboxylate , its cas register number is 16298-03-6. It also can be called Methyl 2-aminopyrazine-3-carboxylate ; methyl 3-amino-2-pyrazinecarboxylate ; methyl 3-aminopyrazine-2-carboxylate ; 3-aminopyrazine-2-carboxylic acid methyl ester ; methyl 3-aminopyrazinecarboxylate and so on. It is a yellow crystalline powder.