Customization: | Available |
---|---|
CAS No.: | 863-61-6 |
Formula: | C31h40o2 |
Still deciding? Get samples of US$ 47.8/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Vitamin K2(Menaquinones, methylnaphthoquinone) is a series of terpene side chain compounds containing 2-methyl-1, 4-naphthoquinone parent nucleus and C3 with a number of isoprene (C5H8) structural units, usually represented by MK-n, M represents methylnaphthoquinone, K is vitamin K2, n represents the number of isoprene chains. According to the number of carbon elements on the terpene side chain, it can be divided into vitamins K2(10), K2(20), K2(35), K2(45), etc. For example, vitamin K2(35) is a vitamin K2 with 35 carbon elements on the side chain of terpene, vitamin K2(35) is also called menaquinone-7. This is named after the fact that it has seven isoprene side chains on its terpene side chain.iciency. |
Analysis
|
Specification
|
Result
|
Test method
|
Physical Description
|
|
|
|
Appearance
|
Light yellow powder | Light yellow powder |
Visual
|
Odor
|
Characteristic
|
Characteristic
|
Organoleptic
|
Particle size
|
90% pass 80 mesh
|
90% pass 80 mesh
|
80 Mesh Screen
|
Chemical Tests
|
|
|
|
Assay (Lutein)
|
1%
|
1.30%
|
HPLC
|
Loss on drying
|
5.0% Max
|
1.35%
|
5g/105ºC/2hrs
|
Ash Contents
|
5.0% Max
|
1.20%
|
2g/525ºC/3hrs
|
Residual Solvents
|
50.0 ppm, Only Ethanol
|
<30.0 ppm
|
/
|
Heavy metals
|
5.0 ppm Max
|
<3.0 ppm
|
AAS
|
Lead
|
3.0 ppm Max
|
<1.0 ppm
|
AAS
|
Arsenic
|
3.0 ppm Max
|
<1.0 ppm
|
AAS
|
Microbiology Control
|
|
|
|
Total Bacteria Count
|
1,000cfu/g Max
|
<280cfu/g
|
AOAC
|
Yeast & Mold
|
100cfu/g Max
|
<10cfu/g
|
AOAC
|
Coliform
|
30.0 MPN/g Max
|
<3.0 MPN/g
|
AOAC
|
Conclusion
|
Complies with the standards.
|
||
General Status
|
ISO Certificated.
|