数据库错误: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
SELECT * FROM `mycn_models_set` WHERE channelId =
CAS number： 59-67-6
Molecular formula：
molecular weight：
Chemical structure：
| Product name: | Nicotinic Acid | ||
| Shelf life | Three years | ||
| Inspection Standard: | USP34 | ||
| Items | Specifications | Test method | Results |
| Assay, % | 99.0-101.0 | UV | 99.7 |
| Identification A | Conform | IR | Conform |
|
Identification B (Ratio:A237/A262) |
0.46-0.50 | UV | 0.47 |
| Loss on drying,% | ≤ 1.0 | Air dry oven | 0.19 |
| Residue on ignition ,% | ≤0.1 |
High temperature ignition |
0.02 |
| Chloride,% | ≤0.02 | Colorimetry | ＜0.02 |
| Sulfate,% | ≤0.02 | Colorimetry |
|
| Heavy metals,% | ≤0.002 | Colorimetry |
|
| Ordinary impurities | Conform | TLC | Conform |
| Conclusion : This material complies with USP34 | |||