Supply 99% CAS 22204-53-1 Naproxen Powder

Details:

What's CAS 22204-53-1 Naproxen Powder

Product Name:	Naproxen
Synonyms:	()-2-(methoxy-2-naphthyl)-propionicacid;()-2-(methoxy-2-naphthyl)-propionsaeure;()-propionicaci;(+)-2-(Methoxy-2-naphthyl)-propionic acid;(+)-2-(methoxy-2-naphthyl)-propionicacid;(+)-2-(Methoxy-2-naphthyl)-propionsaeure;(+)-2-naphthaleneaceticaci;(+)-6-Methoxy-alpha-methyl-2-napthaleneacetic acid
CAS:	22204-53-1
MF:	C14H14O3
MW:	230.26
EINECS:	244-838-7
Melting point	152-154 °C(lit.)
alpha	D +66° (in chloroform)
Boiling point	332.25°C (rough estimate)
density	1.1450 (rough estimate)
refractive index	67.5 ° (C=1, CHCl3

Naproxen is a non-steroidal anti-inflammatory drug ,it is a PG synthase inhibitor, which can inhibit

prostaglandin synthetase, it has significant analgesic and antipyretic effects, oral absorption is rapid and

complete, 2 to 4 hours after a dose ,plasma concentration reaches the peak, in the blood , more than 99%

is bound to plasma proteins, t1/2 is 13 to 14 hours, about 95% is discharged from the urine with the

prototype and metabolites.it is clinically used For the treatment of rheumatic and rheumatoid arthritis ,

osteoarthritis, ankylosing spondylitis, gout, arthritis, tenosynovitis.it can also be used to alleviate pain

caused by musculoskeletal sprains, contusions,damages and dysmenorrhea . But it should be noted that

like other non-steroidal anti-inflammatory drugs, the same serious gastrointestinal adverse reactions

could occur at any time while taking naproxen during treatment, so the active gastroduodenal ulcer

patients are hanged, other gastrointestinal tract disease patients should take this drug under close

medical supervision.

ITEM	SPECIFICATIONS	RESULTS
Appearance	White crystalline powder	White crystalline powder
Identification	Chemical Method	Positive
Specific rotation	-9.5°~ -11.0°	-10.32°
pH	3.0~4.5	3.63
Loss on drying	≤0.5%	0.20%
Melting point	169℃~175℃	169.5℃~171.0℃
Residue on ignition	≤0.2%	0.04%
Assay
L- carnitine	68.2%±1.0%	67.92%
L- tartrate acid	31.8%±1.0%	31.76%
Heavy metals	≤10ppm	＜10ppm
Arsenic	≤1ppm	＜1ppm
Chloride	≤4000ppm	＜4000ppm
Cyanide	Absent	Absent
Lead	≤3ppm	＜3ppm
Mercury	≤0.1ppm	＜0.1ppm
Cadmium	≤1ppm	＜1ppm
Conclusion: Quality comply with in-house grade

 

 

 

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Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged

in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materials

and intermediates. The company has complete experimental facilities. And advanced testing instruments ensure the stability

of product quality from all aspects. The company has a complete sales service system, the products are exported to countries

all over the world, and have won a good international reputation with excellent quality and excellent service.

The company has been adhering to the basic principles of "integrity, quality, service, and win-win" to serve customers,

constantly strict requirements, set goals, and implement win-win development.

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