Bulk Drug: Osteoarthritis and Rheumatoid Arthritis

Bulk Drug: Osteoarthritis and Rheumatoid Arthritis

Note

We just produce and sale these products as chemical products. If you use it as pharmaceutical ingredientes, you should test it and look whether it is meet your standard.

1.Celecoxib (Celebrex)
Chemical Name: 4-[5-(4-methylphenyl)-3- (trifluoromethyl)-1H-pyrazol-1-yl] benzenesulfonamide
CAS NO.: [169590-42-5]
Structural Formula: C₁₇H₁₄F₃N₃O₂S
Molecular Formula:

Molecular Weight: 381.37
Appearance: White or pale yellow crystal
Solubility: Soluble in Ethyl Acetate
Melting point: 157-159C
Residue on ignition: 0.5% max
Loss on drying: 0.3% max
Assay: 98.5% min
Heavy metal: 20 ppm max
Uses: It is indicated for the treatment of osteoarthritis (OA) and adult rheumatoid arthritis (RA)
Packing: Aluminium or iron tin lined with plastic bag.

2.Rofecoxib (Vioxx)
Chemical Name: 4-[ 4-( methylsulfonyl) phenyl]- 3- phenyl- 2( 5H)- furanone
CAS NO.: [ ]
Structural Formula: C₁₇H₁₄O₄S
Molecular Formula:

Molecular Weight: 314.36
Appearance: a white to off- white to light yellow powder
Solubility: It is sparingly soluble in acetone, slightly soluble in methanol and isopropyl acetate, very
slightly soluble in ethanol, practically insoluble in octanol, and insoluble in water
Melting point: C
Residue on ignition: 0.5% max
Loss on drying: 0.3% max
Assay: 99% min
Heavy metal: 20 ppm max
Uses: It is indicated for the treatment of osteoarthritis (OA) and adult rheumatoid arthritis (RA)
Packing: Aluminium or iron tin lined with plastic bag.

New!3.Leflunomide (Arava)
Chemical Name:
CAS NO.: []
Structural Formula:

Molecular Formula: C₁₂H₉F₃N₂O₂
Molecular Weight:
Appearance: White crystal.
Solubility: It is readily soluble in ethanol and a buffered aqueous solution with pH of 2.3; solubility decreases with increasing pH in the physiological range.
Melting point:163-168C.
Residue on ignition: 0.4% max
Loss on drying: 1% max
Assay: 99% min
Heavy metal: 20 ppm max
Uses: It is indicated for the treatment of adult rheumatoid arthritis (RA)
Packing: Aluminium or iron tin lined with plastic bag.

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None of these products will be supplied to countries in which it could be in conflict with existing patents. However the final responsibility lies exclusively with the buyer.

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