Pemirolast potassium CAS NO.100299-08-9
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Category：Active Pharmaceutical Ingredients Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Catalog ID80017373
CAS NO.100299-08-9
Purity 99%
MDL NumberMFCD01690051
Molecular Formula C10H7KN6O
Molecular Weight 267.3084
Melting point: >300°C
| Aspect | Details |
|---|---|
| Mechanism of Action | Pemirolast potassium is a mast cell stabilizer that inhibits the release of inflammatory mediators (e.g., histamine, leukotriene C4, D4, E4) from human mast cells. It also acts as a histamine H1 antagonist, blocking the action of histamine on effector cells. |
| Indications | – Prophylactic treatment of itching associated with allergic conjunctivitis.<br>- Used in ophthalmic anti-allergic formulations. |
| Pharmacokinetics | – Absorption: Detectable plasma concentrations after topical ocular administration.<br>- Elimination: Excreted primarily via urine; about 10-15% of the dose is excreted unchanged.<br>- Half-Life: 4.5 hours (ophthalmic). |
| Storage Conditions | Stable under ambient conditions in sealed containers; hygroscopic. Store below 30°C. |
| Physical Properties | – Appearance: White to off-white crystalline powder.<br>- Solubility: Freely soluble in water (>50 mg/mL), sparingly soluble in ethanol. |
| Dosage Forms | – Ophthalmic solution.<br>- Tablets. |
| Adverse Effects | – Common: Eye irritation, headache, dry eye.<br>- Serious: Hypersensitivity reactions. |
| Special Considerations | – Use with caution in pregnant or breastfeeding women due to potential risks to the fetus or infant.<br>- Monitor for signs of hypersensitivity. |
| Toxicity | – Not mutagenic or clastogenic in vitro or in vivo.<br>- Increased incidence of developmental abnormalities in animal studies at high doses. |
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