NS 398 is a selective cyclooxygenase-2 inhibitor (IC50 values are 3.8 and > 100 μM for COX-2 and COX-1 respectively). Induces apoptosis in colorectal tumor cells and elevates COX-2 protein expression in vitro. Orally active and non-ulcerogenic analgesic and anti-inflammatory in vivo.
| Molecular Weight | 314.36 |
| Formula | C13H18N2O5S |
| CAS Number | 123653-11-2 |
| Solubility (25°C) | DMSO 31 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related COX Products |
|---|
| Oxyphenbutazone
Oxyphenbutazone is an orally active non-selective COX inhibitor. Oxyphenbutazone selectively kills non-replicating Mycobaterium tuberculosis. |
| Birch triterpenes
Birch triterpenes is a cyclooxygenase-2 (COX-2) inhibitor that can be used in studies related to epidermolysis bullosa. |
| Naproxcinod
Naproxcinod is a first-of-its-kind (first-in-class) cyclooxygenase-inhibiting nitric oxide donors (CINODs) with analgesic and anti-inflammatory activity for studies related to osteoarthritis and inflammation. |
| Hamaudol
Hamaudol is a chromone isolated from Saposhnikovia divaricata. |
| (±)-Catechin
(±)-Catechin (rel-Cianidanol) is the racemate of Catechin. |
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