API CAS No 26159-34-2 Naproxen Sodium

• Powder: Yes
• Customized: Customized
• Certification: GMP, ISO 9001, USP, BP
• Suitable for: Adult
• Purity: >98%
• Name: Naproxen Sodium
• Model NO.: Naproxen
• Mf: C14h13nao3
• CAS: 26159-34-2
• Transport Package: Drum
• Specification: 99%
• Trademark: HS
• Origin: China
• HS Code: 2904201000
• Production Capacity: 100000

Product Description

 

Name: Naproxen Sodium powder Cas 26159-34-2

Synonyms: (S)-6-Methoxy-alpha-methyl-2-naphthaleneacetic acid sodium salt

C.A.S NO. : 26159-34-2

Specification: 98.5% to 101.5%

Standard: EP/BP/USP

Molecular formula: C14H13NaO3

Characteristic: White to almost white crystalline powder

Solubility: Soluble in water,; slightly soluble in ethanol

Melting point: 250-251ºC

Boiling point: 403.9ºC at 760 mmHg
 

Function and Application

Naproxen sodium is anti-inflammatory drug. It is suitable for relieving all kinds of mild to moderate pain,such as tooth extraction and other post-operative pain, primary dysmenorrhea and headache. Naproxen sodium can also be used to treat rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, Juvenilearthritis, tendinitis, bursitis and acute gouty arthritis. Naproxen sodium can relieve symptoms of swelling and limited activity in arthritis.

Item		Specifications	Results
Appearance		White to almost white  crystalline powder	Almost white crystalline
Identification	A. Infrared absorption	The infrared absorption  spectrum is concordant  with the reference spectrum	Conform
	B. Ultraviolet Absorption	Absorptivities at 272nm, calculated on the dried  base, do not differ by  more than 3%	<1%
Specific rotation		-17.0°to -15.3°	-16.7°
Loss on drying		≤1.0%	0.2%
Heavy metals		≤0.002%	<0.002%
Free Naproxen		≤1.0%	0.1%
Related substances  (HPLC)	Impurity D(in-house)	≤0.10%	<0.01%
	Impurity E(in-house, Impurity C in EP)	≤0.10%	<0.01%
	Any other impurity	≤0.10%	<0.01%
	Total impurities	≤0.5%	<0.01%
Residual Solvents	Toluen	≤50ppm	<1ppm
	Methano	≤50ppm	<12ppm
	Ethanol	≤100ppm	<8ppm
[Assay]  (On the dried basis) It contains C14H13NaO3	98.5% to 101.5%		99.7%
Conclusion	The results conforms with USP35 standards