Vitamin D2

Synonyms: Calciferol; Ergocalciferol; Oleovitamin D2; 9,10-Secoergosta-5,7,10,22-tetraen-3-ol

C.A.S# : 50-14-6

Molecular formula: C28H44O

Molecular weight :  396.65

Assay:  97.0%-103.0%

Quality Standards: USP30

Ergocalciferol contains not less than 97.0 percent and not more than 103.0 percent of C19H19N7O6.

Characteristic: White crystals.

Melting point:  115-119°C

alpha:  82° (c=3, in acetone 25°C)

Water solubility: At 26°C, solubility in ethanol is 28 g/100ml, in acetone is 25 g/100ml. Ether -soluble, do not dissolve in water.

Function and Usage: Ergocalciferol is one major form of vitamin D which can prevent and treat osteoporosis and rickets.It also has a part in cancer prevention,at least for colon cancer.

<p>Welcome to Zhongbei Northland Bio-Chem Industry Co., Ltd a global chemical providers since 2002. We are specialized in developing, manufacturing and marketing active ingredients with high bio-activity and safety, serving the nutritional supplements and functional food ,cosmetic and pharmaceutical industries.  Characteristics: Honored with the title of No. 1 Strong Foreign Trade Enterprises by Heilongjiang Provencial Government. Warehouses located in the US; Strong sourcing capability of working with over 100 manufacturers in China; GMP standard workshops for natural pigment, traditional drug extracts, chemical-synthetic , Auxiliary workshops under 13000 square metres Quality assurance system; In-house and third party laboratories; R & D laboratory with 27 technical persons.Production with 164 workers Passed through ISO9001 All the products we produce and sell are of good quality and new technology.We shall bring into full play our advantages to provide excellent and all-round service for our customers by right of our integrated service capability, abiding by the principle of pursuing  Sincerity, Credit, Safety and Nicety.</p>