Pure CAS 57-87-4 Antirachitic 99% Ergosterol Powder CAS NO.57-87-4

Pure CAS 57-87-4 Antirachitic 99% Ergosterol Powder

Product Description

Ergosterol is the biological precursor to Vitamin D2. It is turned into viosterol by ultraviolet light, and is then converted into ergocalciferol, which is a form of Vitamin D.calciferol, cholecarciferol D, ergocalciferol, steroid alcohol, sterol, viosterol, vitamin D Ergosterol is an important component of the cell membrane of animalcule, plays an important role in keeping the integrality of cell membrane, activity of membrane desmoenzyme, liquidity of membrane, cell livingness and substance transportation. It is able to change to VD2 through the change of molecular structure.

Specification

Products Function

Ergosterol, also known as ergosterol, is one of the steroids. Part of the action is the same as vitamin D2. Ergosterol is an important component of microbial cell membrane,which plays an important role in ensuring the integrity of cell membrane , the activity of membrane binding enzymes, the fluidity of membrane, cell viability and cell material transport. It has the effect of vitamin D2.

Application:

Ergot contains a variety of alkaloids, the important ones are ergotoxine, ergotamine and ergonoxine.It is often used for postpartum hemostasis and uterine involution. It has a strong and lasting effect on exciting uterine muscle. It is more sensitive to the pregnant uterus, and it has obvious effect in parturition and new postpartum, even producing tetanic contraction.
 

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.