Vitamin K3 CAS 58-27-5 Vitamins Free Sample

• CAS No.: 58-27-5
• Formula: C11h8o2
• EINECS: 200-372-6
• Packaging Material: Plastic
• Storage Method: Normal
• Shelf Life: >12 Months
• Model NO.: FoodKem
• Nutrient Composition: Vitamin
• Resource: Natural
• The content of active substances: 61%~90%
• Transport Package: Leather Bag
• Specification: 25KG/BAG
• Trademark: FoodKem
• Origin: China
• HS Code: 29362800
• Production Capacity: 1 Milllion Metric Ton Per Year

Product Description

Product 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

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