5-MTHF (L-5-Methyltetrahydrofolate) 99.5% (99.5% 6S Isomer)

Certificate of Analysis

 

   L-5-METHYLTETRAHYDROFOLATE (L-5-MTHF )  6S Isomer

 

Chemical Formula:          C20H25N7O6

Molecular Weight:  459.46

Item

Limit

Result

Appearance

White to Pale yellow powder

Conforms

Specific Rotation

(C=1.5% in water, 25°C)

+38.5~+42.0 0

+39.1°

Residual solvent

Ethanol:NMT0.5%

0.1%

Sulfate

<0.015%

＜0.01PPM

Chloride

<0.021%

＜0.01PPM

Water (K-F)

<17.0%

8.6%

Heavy metals (Pb)

<10ppm

Conforms

Arsenic (As₂O₃)

<1ppm

Conforms

Lead (Pb)

<2ppm

<2ppm>

Mercury (Hg)

<0.1ppm

<0>

Total plate count

<1000cfu/g

Conforms

Mold & Yeasts

<100cfu/g

Conforms

Salmonella

Negative

Conforms

E. Coil

Negative

Conforms

Assay (HPLC)  6S Isomer

NLT95.0%

98.8%

Conclusion: Meets IHS Standard