Chemical Formula:          C₂₀H₂₃CaN₇O₆

Molecular Weight:  497.51792

Item

Limit

Result

Appearance

White to yellow or powder

Conforms

Specific Rotation

(C=1.5% in water, 25°C)

+14.5~18.5°

+17.8°

Calcium(Anhydrous basis)

7.0%-8.5%

8.1%

Sulfate

<0.015%

Conforms

Chloride

<0.021%

Conforms

Water (K-F)

<17.0%

8.1%

Heavy metals (Pb)

<10ppm

Conforms

Arsenic (As₂O₃)

<1ppm

Conforms

Total plate count

<1000cfu/g

Conforms

Mold & Yeasts

<100cfu/g

Conforms

Salmonella

Negative

Conforms

E. Coil

Negative

Conforms

Assay (HPLC)-5MTHF Ca

95.0% Min

98.1%

(6S)- isomer

45.0%-65.0%

49.2%

Conclusion: Meets IHS Standards