Product Brief Introduction
Product name: Calcium L-5-methyltetrahydrofolate;Levomefolate Calcium;L-Methylfolate;L-5-Methyltetrahydrofolate Calcium
CAS：151533-22-1
MF: C20H23CaN7O6
MW: 497.518
Product Specification
|
Item |
Specification |
|
Appearance |
White to light yellow crystalline powder |
|
Identification |
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
HPLC:The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
|
|
Calcium: 5-mg'ml solution meets the requirements |
|
|
Moisture |
6.0%~17.0% |
|
Particle Size |
60mesh |
|
Chloride |
≤ 0.5% |
|
D-5-Methylfolate |
≤ 1.0% |
|
Related Substances |
4-Aminobenzoylglutamic acid≤ 0.5% |
|
4a-Hydroxy-5-methy-tetrahydrofolic acid≤ 1.0% |
|
|
(6R)-Mefox ≤ 1.0% |
|
|
(6s)-Mefox≤ 1.0% |
|
|
Tetrahydrofolie acid≤ 0.5% |
|
|
7,8-Dihydrofolic acid≤ 0.5% |
|
|
Folic acid≤ 0.5% |
|
|
5,10-Methylenetetrahydrofolie acid≤ 0.5% |
|
|
5-Methyltetrahydropteroic acid≤ 0.5% |
|
|
Dimethyltetrahydrofolic acid≤ 0.15% |
|
|
Total impurities≤ 2.5% |
|
|
Arsenic |
≤ 1.5ppm |
|
Boron |
≤ 10.0ppm |
|
Cadmium |
≤ 0.5ppm |
|
Mercury |
≤ 0.1ppm |
|
Lead |
≤ 1.0ppm |
|
Residual Solvents |
Ethanol ≤ 5000ppm |
|
Total Plate Count |
≤ 1000cfu/g |
|
Yeasts&Molds |
≤ 25cfu/g |
|
E.Coli |
Negative |
|
Calcium Content (on anhydrous substance) |
7.0%~8.5% |
|
Assay (on dried basis) |
95.0%-102.0% |
