Pharmaceutical Raw Material Pure 99% Naproxen 22204-53-1

• Powder: Yes
• Customized: Customized
• Certification: GMP, HSE, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• State: Solid
• Purity: >99%
• Model NO.: hd1009
• Assay: 99%
• CAS: 22204-53-1
• Mf: C14h14o3
• MW: 230.26
• Application: Antipyretic and Analgesic
• Appearance: White Crystalline Powder
• Certificate: ISO, GMP
• Test Method: HPLC
• Brand Name: Biohorlden
• Sample: Available
• Transport Package: 1kg/Bag, 25kg/Drum
• Specification: 99%
• Production Capacity: 5000kg/Month

Product Description

Naproxen is synthesized from 2-methoxynaphthalene and the (+)-isomer obtained by resolution with cinchonidine (61). It was introduced in the United States in 1976 and, as a generic drug, has consistently been among the more popular NSAIDs. It is marketed as the S-(+)-enantiomer, but interestingly, the sodium salt of the (-)-isomer also is on the market as Anaprox. As an inhibitor of prostaglandin biosynthesis, it is 12 times more potent than aspirin, 10 times more potent than phenylbutazone, three to four times more potent than ibuprofen, and four times times more potent than fenoprofen, but it is approximately 300 times less potent than indomethacin.

Product Name	Naproxen
CAS	22204-53-1
Appearance	White crystalline powder
MF	C14H14O3
Molecular Weight	230.26
Purity	99%
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder
Shelf Life	24 Months

Test		Standards		Results
Characteristics		A white crystalline powder		White crystalline powder
Solubility		Easily soluble in aceton, soluble in methano, ethanol, glacial acetic acid, hardly soluble in benzen, almost insoluble in water		Conforms
Identification		Positive		Conforms
Melting range		152~154 °C		155.3°C
Chloride		Not more than 0.014%		<0.014 %
Sulphate		Not more than 0.02%		<0.02%
Sulfide		No coloration or spotting occurs		Conforms
Readily carbonizable substances		Conforms		Conforms
Free P-aminophenol		Not more than 0.005%		<0.005 %
Related substance		Conforms		Conforms
Loss on drying		Not more then 0.5%		0.06%
Residue on ignition		Not more then 0.1%		0.03%
Assay		99.0~101.0%		99.6%
Heavy metals		Not more than 0.001%		<0.001%

It is a non-steroidal anti-inflammatory drug for the relief of fever and inflammation and pain associated with arthritis or other symptoms , it has anti-inflammatory, antipyretic and analgesic effects. Naproxen plays a role by inhibiting the cyclooxygenase, which generates prostaglandin and is one kind of enzymes related to inflammatory mediators . It is recommended to take the drug during meals to reduce stomach irritation.

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Xi'an Biohorlden Industry&Trade Co.,Ltd is a national key high-tech enterprise,which mainly specializes in the R&D, operation and production of pharmaceuticals,and intermediates.Our company is situated in E&T development zone,xi'an city shaanxi,it is easy of access. Our company has independent R&D center,raw material synthesis workshop, has advanced quality instruments and equipmentm,several product patents there are 15 experts in our research team.We insist in innovation and produce high quality products.

1.Are you a manufacturer or trade company?

We are a professional manufacturer.

2.What's your payment terms?

Standard terms: T/T in advance and Western Union.

Also L/C at sight is acceptable for large amount.

3.What's your shipping time?

We have a large stock, which means we can deliver the goods to you immediately.

4.How do you ensure the quality of your products?

Strict QC with 6 steps testing from raw material purchase to finished product.

5.How do you ship the order normally?

For large qty order,ship the goods by sea.

For small qty order, by air or express. We supply optional express for you, including DHL,FEDEX,UPS,TXT,EMS,and so on.

6.What's your loading port?

Usually Shanghai, Qingdao, Tianjin, Guangzhou