USD $1.00-10.00 / Kilogram
product name: | folic acid |
synonyms: | pteroyl-l-glutamic acid;pteroylmonoglutamic acid;pteroylglutamic acid;pteroyglutamic acid;pteglu;pga;n-[4-[[(2-amino-4-hydroxy-6-pteridyl)methyl]amino]benzoyl]glutamic acid;n-4-[(2-amido-4-oxo-1,4-dihydro-6-terene)methylamino]benzoyl-l-glutamic acid |
cas: | 59-30-3 |
mf: | c19h19n7o6 |
批号 batch no.:20150726 |
数量 quantity:1000kgs |
|
分析项目 test items |
质量指标 specification |
实测结果 results |
|
美国药典36版 usp36 |
|
外观 appearance |
黄色或橙色结晶粉末 yellow or orange crystalline powder |
黄色结晶粉末 yellow crystalline powder |
鉴别 identification |
a256/a365=2.80~3.00 |
2.81 |
含量 assay |
97.0%~102.0% ( on the anhydrous basis) |
98.23% |
水份 water |
≤8.5% |
6.1% |
灼烧残渣 residue on ignition |
≤0.3% |
0.15% |
相关物质 related compounds |
≤2.0% |
符合 pass |
溶剂残留 residual solvents |
符合规定 meets the requirements |
符合 pass |