Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pudong Int’l Airport, the transportation and production environment are excellent. JINLAN PHARMA is mainly engaged in R&D, manufacturing and marketing pharmaceuticals, chemical intermediates, Biochemicals, Veterinary medicines and Nutrition products.

With its strong ability in R&D, and world-leading process technology, JINLAN PHARMA develops the new and high-tech chemicals and pharmaceuticals. Synthesis capacity from gram scale, kg scale to mt scale is available.

JINLAN PHARMA has high quality employee team, each department has special chemical technologists, and can offer special and latest chemical information as customer require. With our specialty, we have wide technological cooperation with Science Institutes and Organizations, which supply a strong technological support to the development of the company.

We set our Import & Export office in Hangzhou, and have established well market channels both domestically and overseas. Now JINLAN PHARMA is authorized by some Chinese chemical factories as universal agency and international area agency. Our products are exported to more than 100 countries and enjoy a well reputation, including Europe, USA, South America, India, south-east Asia and so on.

Based on the philosophy of “Human-orient, Technical first, Quality product and High efficiency, Fact and Innovation”, JINLAN PHARMA highly welcome friends from all over the world to cooperate and get co-development.

product Name	leflunomide
Synonyms	N-(4-trifluoromethyl-phenyl)-5-methylisoxazole-4-carboxamide;Leflunomidum;Arava;lefunamide;5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide;
Molecular Formula	C12H9F3N2O2
Molecular Weight	270.20700
CAS Registry Number	75706-12-6
EINECS	616-254-6
Molecular Structure
Boiling point	289.3ºC at 760 mmHg
Flash point	128.8ºC
Vapour Pressur
Hazard Symbols	Xn:Harmful;
density	1.392 g/cm3
Safety Description

Leflunomide (original brand name Arava) is an immunosuppressive disease-modifying antirheumatic drug (DMARD), used in active moderate-to-severe rheumatoid arthritis and psoriatic arthritis. It is a pyrimidine synthesis inhibitor that works by inhibiting dihydroorotate dehydrogenase.