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Lederfen CAS :36330-85-5 Formula :C16H13O3 chemical China manufacturer

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Very happy to work with this company , they did their part ensure quick delivery, if you need something domestic don't go anywhere else ,great friendly people to do great business with

—— Jim Frank

Excellent quality and customer service , shipped fast with no delay other than extensive inspection here in the U.S . But not at fault of the supplier , the product is professionally packaged and i will definitely be looking forward to continued cooperation .

—— Thomas Paul

Our order was 100% pure after lab testing with quick delivery and professional service .Will order again .

—— Robert Kimlicka

Thank you ! Thanks for the quick response ! I receiveed the product safely ! Also thank you !

—— Brian Steward

This is a very good product .I will order more in the future , it got here U.S quickly , thanks . Dan

—— Dan Bedrock

Lederfen CAS :36330-85-5 Formula :C16H13O3 chemical China manufacturer

Lederfen CAS :36330-85-5  Formula :C16H13O3  chemical China manufacturer
Lederfen CAS :36330-85-5  Formula :C16H13O3  chemical China manufacturer

Large Image :  Lederfen CAS :36330-85-5 Formula :C16H13O3 chemical China manufacturer Get Best Price

Product Details:
Place of Origin: China
Brand Name: germax
Certification: GMP
Model Number: Lederfen
Payment & Shipping Terms:
Minimum Order Quantity: 10 grams
Price: Negotiable
Packaging Details: 1kg/bag
Delivery Time: within 24 hours after get the payment
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 500kgs/week
Detailed Product Description
Purity: 99.5% Appearance: White Powder
Name: Lederfen DeliveryTime: Within 24 Hours
Package: Aluminum Foil Bag Storage: Kept In A Cool
High Light:

Lederfen chemical manufacturer


36330-85-5 purity 99%


C16H13O3 white powder

Products details:

Other name: 4-(4-Biphenyl)-4-oxobutyric acid
CAS NO.: 36330-85-5
EINECS NO.: 252-979-0
MW: 254.28
MF: C16H14O3
InChI: 1/C16H14O3/c17-15(10-11-16(18)19)14-8-6-13(7-9-14)12-4-2-1-3-5-12/h1-9H,10-11H2,(H,18,19)/p-1
Melting point: 185-187ºC
Boiling Point: 470.2°C at 760 mmHg
Flash Point: 252.3°C
Appearance: white or Off-white powder
Standard: USP/BP/CP/EP

Appearance White or almost white crystalline powder Conform
Identification Conform Tests (1) (2) (3) Positive Reaction
PH 6.0-8.0 6.6
Heavy Metals ≤20ppm <20ppm
Arsenic ≤2ppm <2ppm
Loss on drying ≤6.0% 4.2%
Residue on ignition ≤1.0% 0.1%
Assay ≥750μ/mg 780μ/mg

Product Description
Fenbufen is a non-steroidal anti-inflammatory drug in the propionic acid derivatives class.
It was introduced by American Cyanamid under the trade name Lederfen in the 1980s and was withdrawn from markets in the developed world due to liver toxicity in 2010.:370, 383-384.As of 2015 is was available in Taiwan and Thailand under several brand names.
As a relatively new type of long-term non-steroidal anti-inflammatory and analgesic drug. According to animal studies, although the anti-inflammatory and analgesic action of this crystal was lower than those of indomethacin, but stronger than aspirin. Toxicity is smaller than indomethacin, gastrointestinal side effects than aspirin and other non-steroidal anti-inflammatory and analgesic drug. The pharmacological research showed that the crystal in the body metabolism into PCB ethyl ester, which inhibits the synthesis of prostaglandins, thereby blocking the role of inflammatory mediators, think this is this article main mechanism of anti-inflammatory effects. Finn cloth as a precursor of biphenyl ethyl ester, can avoid taking active metabolites directly after oral stimulation of the gastrointestinal tract. The domestic trial in rheumatoid arthritis, rheumatoid arthritis, the total effective rate was 87%. This drug is generally can make the chain of rheumatoid factor, blood sedimentation, turn back to normal or "O" and other indicators. Pathological examination did not see the main viscera have obvious pathological changes. Two hours after the oral blood concentrations of peak value. T 1/2 for 12 ~ 17 hours. Used for rheumatoid arthritis, rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, gout treatment, etc. Also used for toothache, pain pain after surgery, trauma, pain, etc.

Contact Details
Germax Pharm Chemicals Co., Ltd

Contact Person: July

Tel: 25838890

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