4H-Pyrido(1,2-a)pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt
Pemirolast Potassium
CAS: 100299-08-9
Molecular Formula: C10H7KN6O
4H-Pyrido(1,2-a)pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt - Names and Identifiers
4H-Pyrido(1,2-a)pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt - Physico-chemical Properties
| Molecular Formula | C10H7KN6O |
| Molar Mass | 266.3 |
| Melting Point | 310-311°C (dec.) |
| Boling Point | 454.8°C at 760 mmHg |
| Flash Point | 228.9°C |
| Solubility | H2O: ≥18mg/mL |
| Vapor Presure | 1.85E-08mmHg at 25°C |
| Appearance | powder |
| Color | light yellow to yellow with a green cast |
| Merck | 14,7078 |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Physical and Chemical Properties | Light yellow crystalline powder, odorless, bitter, easily soluble in water, methanol or ethanol insoluble, almost insoluble in ether. |
| Use | Pemirolast potassium is a histamine H1 antagonist and mast cell stabilizer used as an antiallergic agent. |
4H-Pyrido(1,2-a)pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt - Risk and Safety
| WGK Germany | 3 |
| RTECS | UV1164470 |
4H-Pyrido(1,2-a)pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt - Preparation solution concentration reference
| 1mg | 5mg | 10mg | |
|---|---|---|---|
| 1 mM | 3.755 ml | 18.776 ml | 37.552 ml |
| 5 mM | 0.751 ml | 3.755 ml | 7.51 ml |
| 10 mM | 0.376 ml | 1.878 ml | 3.755 ml |
| 5 mM | 0.075 ml | 0.376 ml | 0.751 ml |
Last Update：2024-01-02 23:10:35
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View History
4H-Pyrido(1,2-a)pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, potassium salt
4-Amino-α-(4-aminophenyl)-α-[4-(phenylamino)phenyl]benzenemethanol
Ethyl 2-(2-ethoxy-2-oxoethyl)benzoate
3H-Oxazolo[3,4-a]pyrazin-3-one, hexahydro-1,1-dimethyl-
艾生利特
Acetic acid, 2-[[5-[[(4-ethoxyphenyl)amino]methyl]-4-methyl-4H-1,2,4-triazol-3-yl]thio]-, hydrazide
3-Propyl-2-methyl pyrazine
74335-45-8
1,2,3,4-Tetrahydro-3-methyl-4-phenyl[1]benzothieno[3,2-c]pyridine
2-(叔丁氧羰基)-1,2,3,4-四氢异喹啉-6-甲酸
4-Amino-α-(4-aminophenyl)-α-[4-(phenylamino)phenyl]benzenemethanol
Ethyl 2-(2-ethoxy-2-oxoethyl)benzoate
3H-Oxazolo[3,4-a]pyrazin-3-one, hexahydro-1,1-dimethyl-
艾生利特
Acetic acid, 2-[[5-[[(4-ethoxyphenyl)amino]methyl]-4-methyl-4H-1,2,4-triazol-3-yl]thio]-, hydrazide
3-Propyl-2-methyl pyrazine
74335-45-8
1,2,3,4-Tetrahydro-3-methyl-4-phenyl[1]benzothieno[3,2-c]pyridine
2-(叔丁氧羰基)-1,2,3,4-四氢异喹啉-6-甲酸