Pharmaceutical Intermediate Non-Steroidal Naproxen CAS 22204-53-1 for The Relief of Fever

• Powder: Yes
• Customized: Non-Customized
• Certification: GMP, HSE, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• State: Solid
• Purity: >99%
• Model NO.: Pharmaceutical Grade
• Naproxen: USP
• Transport Package: Bag
• Specification: 25kg
• Trademark: flying deer
• Origin: China
• Production Capacity: 2300 Tons Yearly

Product Description

Pharmaceutical Intermediate Non-Steroidal Naproxen CAS 22204-53-1 for The Relief of Fever

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.

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.