≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Tecastemizole (Norastemizole), a major metabolite of Astemizole, is a potent and selective H1 receptor antagonist. Tecastemizole shows anti-inflammatory activities.
Form:Solid
| Isomeric SMILES | C1CNCCC1NC2=NC3=CC=CC=C3N2CC4=CC=C(C=C4)F |
|---|---|
| PubChem CID | 123618 |
| Molecular Weight | 324.40 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
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| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
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| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
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| Solubility | DMSO : 100 mg/mL (308.26 mM; ultrasonic and warming and heat to 60°C) |
|---|---|
| Molecular Weight | 324.400 g/mol |
| XLogP3 | 3.600 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 4 |
| Exact Mass | 324.175 Da |
| Monoisotopic Mass | 324.175 Da |
| Topological Polar Surface Area | 41.900 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 393.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
