Firocoxib API

Firocoxib API

CAS No.189954-96-9
Therapeutic CategoryAnti-Inflammatory
Dosage FormOral Solids
Innovator BrandEquioxx, Previcox(USA)
Registration StatusUS: VMF006292
Others: VMF
PolymorphForm B
GMPFDA(USA)/NMPA(China)/MFDS(Korea) approved
EHSISO 14001 & 45001 certified

Product Description of Firocoxib API

  • Grade: Active Pharmaceutical Ingredient(API)
  • Chemical Name:3-(Cyclopropylmethoxy)-5,5-dimethyl-4-(4-(methylsulfonyl)phenyl)furan-2(5H)-one
  • Molecular Formula: C17H20O5S
  • Molecular Weight: 336.403
  • Specification: Enterprise Standard established according to ChP/USP/EP
  • Appearance: Powder
  • Total impurities: not more than 2.0%
  • Purity: not less than 98%
  • Residual Solvents: fully comply with ICH Q3C
  • Mutagenic impurities: fully comply with ICH M8
  • Nitrosamine assessment: available
  • Particle size: regular grade and micronized(D90<10μm)
  • Storage: Room temperature
  • Production capacity: Commercial
  • Standard Package: 1kg/bag, 5kg/bag, or according to the customer’s requirement.

Applications of Firocoxib API

  • Firocoxib is a selective inhibitor of COX-2 (IC50s = 0.13 and 7.5 μM for COX-2 and COX-1, respectively, in isolated cat blood). It inhibits LPS-induced production of prostaglandin E2 (PGE2; ) in isolated dog, horse, and cat whole blood ex vivo. Firocoxib decreases lameness, induces analgesia, and improves range of motion in dogs and horses with osteoarthritis when administered at doses of 5 and 0.1 mg/kg per day, respectively. Formulations containing firocoxib have been used in dogs and horses with osteoarthritis.
  • Firocoxib sold under the brand names Equioxx and Previcox among others, is a nonsteroidal anti-inflammatory drug of the COX-2 inhibitor (coxib) class, approved for use in horses (Equioxx) and for use in dogs (Previcox). Firocoxib is the first COX-2 inhibitor approved by the U.S. Food and Drug Administration for horses. Firocoxib is not intended or approved for use in human medicine.
  • Firocoxib API was approved for veterinary use in the United States for dogs in July 2004 and for horses in July 2016. Firocoxib is available as a generic medication for horses and for dogs.

Why Choose Us as Your Firocoxib Manufacturer?

  • Qingmu is a Firocoxib supplier and factory in China. For our Firocoxib API, DMF in CTD format is available and can be supported for registration worldwide.
  • Qingmu’s factory is established according to ICH/USFDA/EU/JAPAN/China regulations and current GMP, totally complies with environmental law in China, no risk to remove factory. A new API factory is under design and is predicted to be put into use in 2025.
  • Qingmu’s team has rich experience in patent challenges on crystalline form & synthesis processes and also synthetic route development and scale-up & quality research.
  • Qingmu’s lab is equipped with HPLC, GC, ICP-MS, GC-MS, CAD, microbalance, Malvern particle analyzer, etc. Qingmu passed the site inspection from NMPA(China), FDA(USA) and MFDS(Korea) and also customer audits from Europe, USA and Japan, etc.
  • Qingmu, As a Firocoxib manufacturer, successfully exported our products to more than 40 countries including Japan, USA, Germany, Spain, the Netherlands, Russia, South Korea, and Brazil. We are always ready to provide customers with the best quality products and services.


A1: We are a manufacturer.

A2: No, but we’ll give you a quotation according to your order, please email us.

A3: One standard package during the commercial stage, but a sub-package can be arranged to support your development.

A4: We use Bags, Drums, Carton Boxes, Alu Tin, etc.

A5: Yes if it’s listed on Pharmacopopeia, if not, we’ll establish our own standard according to USP/EP/JP/ChP