China High Quality Canthaxanthin Suppliers - Vitamin K3 | 58-27-5 – COLORKEM
China High Quality Canthaxanthin Suppliers - Vitamin K3 | 58-27-5 – COLORKEM Detail:
Products Description
It is sometimes called vitamin k3, although derivatives of naphthoquinone without the side chain in the 3-position cannot exert all the functions of the K Vitamins. Menadione is a vitamin precursor of K2 which utilizes alkylation to yield menaquinones (MK-n, n=1-13; K2 vitamers), and hence, is better classified as a provitamin.
It is also known as “menaphthone”.
Specification
| ITEM | STANDARD |
| APPEARANCE | Yellowish crystalline powder |
| PURITY(%) | >= 96.0 TEST METHOD UV |
| MENADIONE (%) | >= 43.0 TEST METHOD UV |
| Nicotinamide (%) | >=31.0 TEST METHOD UV |
| WATER (%) | =< 1.5 TEST METHOD Karl Fisher |
| Heavy metals(Pb) (%) | =<0.002 |
Product detail pictures:
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By Mandy from Nepal - 2017.09.29 11:19
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
By Cherry from Muscat - 2018.06.26 19:27
