Vitamin D is steroid derivatives. It is the general term for the compounds that have similar structures and have the effect of normal skeletal growth and maintenance. At present, there are at least more than ten kinds of sterols that have vitamin D activity. But there are only two important matters, which are known as pro-vitamin D. One is ergosterol that exists in vegetable oil or yeast, which can generate vitamin D2 when irradiated by sunlight or ultraviolet radiation. It is also known as cholecalciferol or ergocalciferol. Another is 7-dehydrochlesterol that exists in the skin. It will become vitamin D3 after irradiated by the light. It is also called cholecalciferol.
Product Name: |
Vitamin D3 |
Synonyms: |
Dry Vitamin D3;RACUMIN D;OLEOVITAMIN D3;(+)-VITAMIN D3;VITAMIN D3;VITAMIN D;(3beta,5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3-ol;(5E,7E)-9,10-Secocholesta-5,7,10-trien-3-ol |
CAS: |
67-97-0 |
MF: |
C27H44O |
MW: |
384.64 |
EINECS: |
200-673-2 |
Product Categories: |
Miscellaneous Natural Products;Vitamin D3 analogs;Vitamins - Deuterated;Nutritional Supplements;Vitamins and derivatives;Chiral Reagents;Inhibitors;Miscellaneous Compounds;Vitamin series;DROMOS;Other APIs;Intermediates & Fine Chemicals;Pharmaceuticals;Vitamin Ingredients |
Uses1. Vitamin D3 can maintain normal metabolism of calcium and phosphorus, promote the body's absorption of calcium and phosphorus. When it is lacked, children are easy to get rickets. Regulations in China provides it can be used to strengthening margarine. The dosage is 125~156μg/kg. The dosage in fortified dairy products is 63~125μg/kg. The dosage in strengthening infant food is 50~100μg/kg. And the dosage in strengthening milk and milk drink is 10~40μg/kg. The largest dosage in the strengthening solid drinks and ice cream is 10~20μg/kg.
2. Vitamin D3 can maintain normal metabolism of calcium and phosphorus and promote the body's absorption of calcium and phosphorus. The utilization of 1. vitamin D2 and D3 for pigs are the same, but the utilization of vitamin D2 for poultry is only 1/40-1/30 of vitamin D3. When lack of Vitamin D3, eggshell will become thin, the rate of laying will decrease, and rickets will appear. The amount can be 1000-1500IU/kg.
3. Vitamin D is a fat-soluble vitamin. There are a dozen compounds that are known to have the effect of vitamin D. Vitamin D2 and vitamin D3 have the important practical significance in no lines steroid derivative. D3 is given priority to with in the world, "International Standards" of vitamin D is pure crystalline D3. The main function of vitamin D are metabolism of calcium, phosphorus. It is difficult to promote the absorption of calcium and phosphorus and the calcification of bone. When the body is lack of vitamin D, the ability to absorb calcium and phosphorus will decrease, and the content of calcium and phosphorus in the blood will reduce. Then calcium and phosphorus cannot be deposited in bone tissue, even bone salt will dissolve and hinder the bone calcification. Children lack of vitamin D will get rickets. Adult lack of vitamin D will get osteomalacia. Japanese like to produce and use D2. In a variety of demand, the amount of pharmaceutical is 30%, feed additives is 65%, and food additives is 5%. According to the "food fortifier use of health standards (1993)" issued by Ministry of Health, D2 and D3, as nutritional supplements, can be used for liquid milk, margarine, dairy products and baby food.
4. Vitamin medicines. It mainly can promote intestinal absorption and deposition of calcium and phosphorus for the treatment of rickets and osteomalacia.
5. It is mainly used in food, health products and other related products.
Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.
Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.
Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100ºC to +300ºC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis.
Think Chemistry,Think CHemWill
Factory Plant Address:
High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China
Shanghai office: (Export Department)
Address: 16FL., INDUSTRY & COMMERCIAL BUILDING, NO.45 YAN’AN ROAD(E), 200002, SHANGHAI, CHINA
---any inquiries will be replied within 12 hours.
---golden manufactory under iso/gmp with large stock.
---dedication to quality,we have strict quality control system.
---oem/odm available.
---sample is available for your evaluation & formulation development.
Website: http://www.chemwill.com
PLS contact
Ms Ella Lee - Deputy Sales Manager
Phone: +86 -21-51086038
Email: chemwill_asia@126.com;chemwill@hotmail.com