Product Name	Sodium Valproate
CAS No.	1069-66-5
Molecular Formula	C8H15NaO2
Molecular Weight	166.19
Appearance	White Powder
Assay	99%
Grade	Pharmaceutical Grade
Brand	Greenway

 

 

Description:

(a) Di-n-propyl cyanacetic acid First of all, a sodium n-propylate solution was prepared from 7.42 g (0.322 mol) of sodium and 180 ml of anhydrous, by heating with gentle reflux until complete dissolution of the sodium.

Into a 500 ml spherical flask, equipped with a dropping funnel, a mechanical stirrer, a thermometer and a condenser, above which was disposed a calcium chloride trap, were introduced 16.95 g (0.141 mol) of ethyl cyanacetate and 40.69 g (0.33 mol). This mixture was heated to 45°C and then there was added thereto, slowly and while stirring, the previously prepared solution of sodium n-propylate, keeping the temperature of the reaction medium at 50°-55°C by gentle external cooling.With the completion of the operation of introduction, the mixture was brought to reflux temperature in 30 minutes and kept at this temperature for 3 hours. The was then distilled and the distillation stopped when the temperature of the residual mass had reached 115°C.

Usage:

Antiepileptic; increases levels of GABA in the brain

 

 

1.Package:   1kg/bottle or bag

                      25kgs/drum or bag

2.shipment:   within 5 days after payment done

                     Shipping by Fedex ,DHL ,EMS or TNT

1.For products exported we can offer COA Certificate and official PI.

2.We are manufacturer with own lab and factory, can provide high quality products with factory price. 

3.Products can be sent out in 24 hours after payment. Tracking number available, fixed service person are 7x24h for you to contact.

4.Secure and discreet shipment. Various transportation methods for your choice, like DHL/UPS/TNT/FedEx/SF-express.

5.Customs pass and satisfied rate ≥99%.

6.For hot sale products we have stock in there for transferring. 

7.Products purity is test by our quality department strictly before sending, and you can

askthe third testing organization come and inspect, such as (SGS/ CTI/ ITS), only after our confirmation will we send it out to you.

8.We have different couriers to different countries.

9.We have clients throughout the world.

Q1: Can i get some samples?
A:Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union, Money Gram.

Q3: How to confirm the Product Quality before placing orders?
1.You can get free samples for some products,you only need to pay the shipping cost or arrange  a courier to us and take the samples.
2. You can tell us your product specifications and requests,we will manufacture the products  according to your requests.

Q4:Is there a discount?
A:Different quantity has different discount.

Q5: How do you treat quality complaint?
A:Our quality control will reduce the quality problem to near zero. If there is a real
quality problem caused by us, we will send you free goods for replacement.

Q6:Do you Accept Sample Order?
A:Yes, we accept small order from 1box, 5boxes and 10boxes to evaluate quality of our goods.