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| 100mg |
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| 250mg |
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Purity: ≥98%
Pemirolast potassium (formerly TWT 8152; BMY 26517; TWT-8152; BMY-26517; Alegysal and Alamast), the potassium salt of Pemirolast, is a poten and orally bioactive histamine H1 antagonist and mast cell stabilizer with potential antiallergic effects. For the treatment of asthma, a nonbronchodilator antiallergy medication candidate is being researched.
| Targets |
Histamine H1 receptor
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| ln Vivo |
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| Animal Protocol |
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| References |
| Molecular Formula |
C10H7KN6O
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|---|---|
| Molecular Weight |
266.3
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| Exact Mass |
266.03
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| Elemental Analysis |
C, 45.10; H, 2.65; K, 14.68; N, 31.56; O, 6.01
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| CAS # |
100299-08-9
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| Related CAS # |
Pemirolast; 69372-19-6
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| Appearance |
Solid powder
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| SMILES |
CC1=CC=CN2C1=NC=C(C2=O)C3=NN=N[N-]3.[K+]
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| InChi Key |
NMMVKSMGBDRONO-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C10H7N6O.K/c1-6-3-2-4-16-9(6)11-5-7(10(16)17)8-12-14-15-13-8;/h2-5H,1H3;/q-1;+1
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| Chemical Name |
potassium;9-methyl-3-(1,2,3-triaza-4-azanidacyclopenta-2,5-dien-5-yl)pyrido[1,2-a]pyrimidin-4-one
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| Synonyms |
TWT-8152; BMY 26517; TWT 8152; BMY 26517; TWT8152; BMY 26517; Pemirolast; Pemirolast potassium. trade name: Alegysal and Alamast.
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month Note: Please store this product in a sealed and protected environment, avoid exposure to moisture. |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: 100 mg/mL (375.52 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with sonication.
(Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 3.7552 mL | 18.7758 mL | 37.5516 mL | |
| 5 mM | 0.7510 mL | 3.7552 mL | 7.5103 mL | |
| 10 mM | 0.3755 mL | 1.8776 mL | 3.7552 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT02517372 | Completed | Drug: CRD007 | Healthy Volunteers | RSPR Pharma AB | October 2014 | Phase 1 |
Products are for research use only; We do not sell to patients
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