Vitamin D3 beadlets CAS NO.67-97-0

Vitamin D3 beadlets

Product name: Vitamin D3 beadlets
Popular name: Vitamin D3 Powder
Chenical Name: 9,10-secocholesta-5,7,10(19)-trien-3-beta-ol
CAS: 67-97-0
Molecular formula: C₂₇H₄₄O
Formula weigh: 384.65(1999 international relative atomic mass)
Structure formula:
 
Properties: This product is micron yellow to yellow brown micron particles,have mobility.  Case of heat,light or moisture absorption see degradation easily decomposed after,so that decreased .
 

Uses: Vitamin class medicine,Mainly to promote intestinal absorption and sediment of calcium and phosphorus and sediment, for the treatment of diseases rickets and osteomalacia. Vitamin D3 working also by receptors, the receptor is a ligand-dependent transcription factor family member regulation of normal cells and cancer cell proliferation and differentiation of breast, colon and prostate cancer with anti-proliferation anti-metastasis effect. Within the intestine and bone Vitamin D receptor activation can maintain calcium absorption and inner balance.
Package: 25Kgs per barrel
Storage: This product should be stored in a clean place, to prevent sun, rain, damp, non-toxic goods with mixed storage.
Period of validity: The shelf life is more than 12 months at conditions of storage . 

Q&A:

1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.

2.How  to start an order

After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.

3.What’s your payment terms

If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.

4.Can I get a free sample

If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.

5.What's the lead time
Generally we send out your order ASAP after payment,normally

small quanitity,3-5days.

big quanitity with stock,5-7days,

if without stock,we have to calculate the production period,then give you the lead tme.

6.How do you ship the order normally

If less than 50kg,will be shipped by express,such as FEDEX,DHL.

If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.

7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.

Meanwhile,we will responsible for the goods quality after be sold.