Vitamin K2 2124-57-4

Product name

Vitamin K2;  Menaquinone-7;  MK7；

Menaquinone-4;  MK4

CAS No.

2124-57-4

Molecular Formula

C46H64O2

Molecular Weight

649.013

Quality Standard

98% up, 1.3% up by HPLC

Appearance

1.3% is yellowish to yellow powder; 98% is yellow powder; 0.2% is light yellow powder; 1.3% is yellow oil; 1.5% is light yellow powder.

Item                                       

Specifications                             

Results

Purity (HPLC,Menaquinone-7)

≥1.3%(>13000ug/g)

1.32%

Pharm.excipient(Carbohydrate)

≥90.0%

90.4%

Identification

Light Yellow Powder

Light Yellow Powder

pH

5.5~8.0

7.8

Loss on drying

≤10.0%

8.5%

Residue on ignition

≤0.1%

<0.1%

Reducing sugar

≤0.2%

<0.2%

Starch

Negative

Negative

Fatty acid

Negative

Negative

Heavy metals

≤10ppm

<10ppm

Arsenic

≤2ppm

Complies

Pesticides residue

Negative

Negative

Total aerobic count (CFU/g)

≤1000

Complies

Yeasts & Molds (CFU/g)

≤100

Complies

Salmonella SP.

Negative

Negative

E. Coli

Negative

Negative