 |
| Cantidad: | |
|---|---|
DY3940
5521-55-1
C6H6N2O2
5-Methyl-2-pyrazinecarboxylic acid
Specifications
Almost white or little yellow powder
98.00min%
98.00min%
0.05max%
0.05max%
0.5max%
1.0max%
0.1max%
0.50max%
163 to 167degC
0.5max%
10ppmmax
1.0%max
| Index Name | Specifications |
| Appearance | Almost white or little yellow powder |
| Assay (dry basis) | 98.00min% |
| Purity (HPLC) | 98.00min% |
| 2-pyrazinecarboxylic acid | 0.05max% |
| 2,5-pyrazinedicarboxylic acid | 0.05max% |
| 6-methylpyrazine-2-carboxylic acid | 0.5max% |
| Total impurities | 1.0max% |
| Any unspecified impurities | 0.1max% |
| Water Content | 0.50max% |
| Melting point | 163 to 167degC |
| Chlorine ion | 0.5max% |
| Heavy metal | 10ppmmax |
| Residue | 1.0%max |
| Index Name | Specifications |
| Appearance | Almost white or little yellow powder |
| Assay (dry basis) | 98.00min% |
| Purity (HPLC) | 98.00min% |
| 2-pyrazinecarboxylic acid | 0.05max% |
| 2,5-pyrazinedicarboxylic acid | 0.05max% |
| 6-methylpyrazine-2-carboxylic acid | 0.5max% |
| Total impurities | 1.0max% |
| Any unspecified impurities | 0.1max% |
| Water Content | 0.50max% |
| Melting point | 163 to 167degC |
| Chlorine ion | 0.5max% |
| Heavy metal | 10ppmmax |
| Residue | 1.0%max |