ZXFPC0630 Calcium L-5-Methyltetrahydrofolate

L-5-Methyltetrahydrofolate Calcium

CAS Number: 151533-22-1

Appearance: White to light yellowish crystalline powder

Quality Index Standard Results

Identification: Rule of ES Conforms
Water (K-F): ≤17.0% 15.8%
Specific rotation(C=1.5,H2O): +38.5 ---- +42° +39.2°
Calcium(On dry basis): 7.3-8.8% 8.3%
Chloride: ≤0.5% ≤0.2%
Residue on ignition: ≤0.2% ≤0.2%
Heavy metals: ≤20ppm Conforms
Arsenic: ≤1ppm Conforms
Boron: ≤100ppm Conforms
D-Isomer: ≤2.0% 0.92%
Related Substance:
Individual impurity: ≤1.0% ≤0.2%
Total impurities: ≤2.5% ≤1.3%
Residual solvent(Ethanol) ≤0.1% ≤0.1%

Total plate count: ≤1,000 CFU/g Conforms
E. Coli: Negative Negative
Salmonella: Negative Negative

Assay of L-Isomer:
(HPLC, On dry basis): 95.0---103.0％ 99.8%

Conclusion: The Specification conforms to the rule of Enterprise Standard.

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