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Hot selling high quality Mecobalamin 13422-55-4 with reasonable price and fast delivery !!
1-1000 Kilogram
$100.00
≥ 1001 Kilogram
$1.00
- Item No. TOPMOQ 1 Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Our advantages
High quality Mecobalamin
1.Competitive price
2.Fast Delivery Within 2 days
3.SGS , BV, GMP,ISO approve
4.Professional factory
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| Product Name: | Levomefolate calcium |
| Synonyms: | (S)-2-(4-((((S)-2-AMino-5-Methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)Methyl)aMino)benzaMido)pentanedioic acid, calciuM salt;L-5- Methyl leucovorin;Calcium (S)-2-(4-((((S)-2-amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino;CALCIUML-5-METHYLTETRAHYDROFOLATE;(6S)-N-[4-(2-Amino-1,4,5,6,7,8,-hexahydro-5-methyl-4-oxo-6-pteridinylmethylamino)benzoyl]-L-glutaminsure, Calciumsalz (1:1);Calcium levomefolate;N-[4-[[(2-Amino-1,4,5,6,7,8-hexahydro-5-methyl-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid calcium salt;L-5-Methyltetrahydrofolate calcium |
| CAS: | 151533-22-1 |
| MF: | C40H48CaN14O12 |
| MW: | 956.97372 |
Items | Specifications | Results |
Appearance | White to yellow powder | White to yellow powder |
Assay(HPLC)L-isomer | 95.0%~103.0% | 98.60% |
Specific Rotation (C=1.5% in water, 25℃) | +38.0 to +42.0° | +38.5° |
Identification(IR;HPLC;Calcium) | IR spectrum /HPLC/ Calcium matches R.S. | Matches R.S. |
Calcium (Anhydrous basis) | 7.0~8.5% | 7.80% |
Chloride(Cl) | ≤0.5% | <0.1% |
Water(KF) | ≤17.0% | 10.20% |
Residue on ignition | ≤0.1% | 0.02% |
D-5-Methyltetrahydrofolate | ≤1.0% area | 0.30% area |
Arsenic (As2O2) | ≤1 ppm | <1ppm |
Boron | ≤20 ppm | <20ppm |
Heavy metals (as Pb) | ≤10 ppm | <10ppm |
Total impurities (HPLC) | ≤2.5% | <1.09% |
E. Coil | Negative | Complies |
Conclusion: | The above items of the product conform to the standard. | |
- Major depressive disorder.
- Diabetic neuropathy.
- supplementing Levomefolate calcium is the clear alternative while pregnant.
- Cardiovascular disease and cancer.
Company Information
Qingdao xigemaCHEMICAL Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of xigema is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
xigema has become the "Top 500 Chinese manufacturing companies","Top 20 of global agrochemical sales". xigema has 21 subsidiaries and holding companies.
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