Entecavir

Appearance White to off-white crystalline powder Complies

Optical rotation +24.0°—+28.0°(DMF:MeOH=1:1 c=1%) +26.8°

Identification A: IR, spectrum of sample complies with that of

standard sample Complies

B: HPLC, retention time of sample complieswith

that of standard sample Complies

Water 5.8%—6.5% 6.1%

Related Substances Single impurity ≤0.1% 0.02%

Total impurities ≤0.3% 0.03%

Granularity Particle size

D50≤6.0μm D90≤12.5μm Complies

Residue on ignition ≤0.1% 0.06%

Heavy metals ≤20ppm Complies

Residual solvents Match with the standard of USP32 Complies

Assay ≥99.5% 99.8%

Our Services

1. Exporting chemical products from China over 5 years of experience.

2. Arrange the orders and shipping with requests in time, According to the different countries

export policy provide complete customs clearance documents..

3. Variety of high quality chemical products with competitive price

FAQ

1. What's your payment terms?

T/T or L/C.

2. What's your delivery time?

Usually we will arrange the shipment in 7 -15 days,due to different products you choose.

3. How about the packing?

Usually we provide the packing as 25 kg / bag or carton,and also as your request bag.

4. How about the validity of the products?

According to the products you ordered.

5. What documents you provide?

Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and 

Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?

Usually is Shanghai,Qingdao or Tian

About Us:

Hebei Zhanyao Biotechnology Co. LTD is established in 2010, which is a fast growing intermediate company located in Shijiazhuang, Hebei Province. After ten years of development, Hebei Zhanyao has become a diversified company, not only involved in Pharmaceutical Intermediates, but also in the field of agricultural products. Also Have factory for plastic&rubbler granule, So far, Hebei Zhanyao has operations in 35 countries, and most of its big customers are from Europe and the United States. The quality of hebei Zhanyao products is always the best among Chinese suppliers, with some products of 99.9+ purity. This is an important reason for customers to choose

High quality with competitive price.

1. Standard bp/usp/ep/enterprise standard.

2. All purity>99%.

3. We are manufacturer and can provide high quality products with factory price.

Fast and safe delivery.

1. Parcel can be sent out in 24 hours after payment tracking number available.

2. Secure and discreet  shipment verious transportation methods for your choice.

3. Customs pass rate >99%.

4. We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.

We have clients throughout the world.

1. Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.

2. Market feedback and goods feedback will be appreciated , meeting customers' requirement is our responsibility.

3. High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.