单价 ¥ 面议
起订量
包装规格
付款方式
产地
叶酸
|
Name |
Folic Acid |
|
CAS No. |
59-30-3 |
|
Chemical Formula |
C19H19-N7O6 |
|
Specification |
BP 98/USP 24 |
|
Packing |
In 25kg drums |
|
Functional use |
Nutritional Enhancer |
|
Items |
Specifications |
|
Appearance |
Yellow or orange crystalline powder, odorless or almost odorless |
|
Specific Rotation |
About 20 o |
|
Free amines |
A2:A1: 1/6 max |
|
Assay |
96.0 - 102.0% |
|
Loss on drying |
5.0 - 8.5% |
|
Residue on ignition |
0.2% max |
|
Organic volatile impurities |
Conforms |
|
Chromatographic purity |
The sum of the area of all peaks is no more than 2.0% |