PRODUCT DESCRIPTION
Pharmaceutical Grade Vitamin D2 Series Food Feed Additives
Company information
Sichuan SENYU Import and Export Co., LTD is a professional and export company established on the basis of Sichuan Yuxin Pharmaceutical Co., LTD and Sichuan Zhongsen Chinese Medicine Decoction Pieces Co., LTD.
The strength of our company is rich in human resources, and has a group of salesman who are hard-working,and professional ,all of them have engaged in foreign trade for many years.
Sichuan sen yu import and export co., LTD. Is also a comprehensive import and export company ,which has management rights of the provincial import and export , mainly engaged in the region drugs, pharmaceutical raw materials, pharmaceutical intermediates, medicinal herbs, animal and plant extracts, feed and additives, chemical raw materials, agricultural and sideline products, clothing, electrical, mechanical equipment, hardware, minerals, such as import and export business and agency. Our products are mainly exported to Europe, America and Southeast Asia and other countries and regions.
The aim of the company is to win the affirmation and favor of our customers with high quality products, competitive price and honest service.
CERTIFICATE OF ANALYSIS
| Test item | Specification | Result |
| Description | A white or slightly yellowish, crystalline powder or white or almost white crystals. | Complies |
| Solubility | Freely soluble in ethanol (96 per cent), in chloroform and in ether, practically insoluble in water. It is soluble in fixed oils. Solutions in volatile solvents are unstable and should be used immediately. | Complies | |
| Identification | IR: Compare the spectrum with the reference spectrum. | Complies | |
| Specific optical rotation | +103.0° to +107.0° | +104.94° | |
| Reducing substances | Not more than 20 ppm. | Complies | |
| Ergosterol(Impurity B) | Not more than 0.2% | Absent | |
| Related substances | |||
| Impurity A (Trans-vitamin D2) | Not more than 0.5% | Absent | |
| Impurity F | Not more than 0.5% | 0.05% | |
| Impurity G(Vitamin D4) | Not more than 1.5% | 0.69% | |
| Any unspecified impurity | Not more than 0.10% | 0.02% | |
| Total impurities | Not more than 2.5% | 0.95% | |
| Assay | 96.5%-102.0% of C28H44O. | 98..81% | |
| Store Condition | Store in airtight container,under nitrogen,protected from light,at a temperature between 2°C-8°C. | ||
| Conclusion | The sample is in accordance with EP9.0. | ||
Biotin Application
1) Constitute photosensitive substances in asc.
2) Maintain the integrity and soundness of the epithelial structure.
3) Enhance the body's immune response and resistance
4) Maintain normal growth and development.
FAQ
1. How do you confirm product quality before order?
Free samples can be provided for your evaluation before ordering, and COA can be supplied of each batch products.
2. Can i get free samples?
Yes, Free samples 1-30grams available based on product value.
3. How long can i get my order?
Usually, the order will send within 1-3days after payment.
Shipping can by International Express(3-8days), by Air(3-5days), by Sea(8-35days) based on quantity and destination, or by your forwarder.
4. How is your customer service?
We provide 24-hour online service by email, Skype, Whatsapp, telephone.
