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Cyclazosin HCl is a subtype-selective α-adrenergic receptor antagonist that competitively antagonizes norepinephrine-induced α(1B)-adrenergic receptor contraction and can be used to study non-arteritic ischemic optic neuropathy and other neurological diseases.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $293 | In Stock | |
| 5 mg | $722 | In Stock | |
| 10 mg | $987 | In Stock | |
| 25 mg | $1,520 | In Stock | |
| 50 mg | $1,980 | In Stock |
| Description | Cyclazosin HCl is a subtype-selective α-adrenergic receptor antagonist that competitively antagonizes norepinephrine-induced α(1B)-adrenergic receptor contraction and can be used to study non-arteritic ischemic optic neuropathy and other neurological diseases. |
| In vivo | In rabbit thoracic aorta Cyclazosin HCl competitively antagonized noradrenaline-induced contractions at α1B-adrenoceptors with a pA2 value of 8.85, whereas its affinity at α1L-adrenoceptors was markedly lower (pA2= 6.75−7.09). [1] |
| Molecular Weight | 473.95 |
| Formula | C23H28ClN5O4 |
| Cas No. | 146929-33-1 |
| Smiles | C(=O)(N1[C@@]2([C@](N(CC1)C3=NC4=C(C(N)=N3)C=C(OC)C(OC)=C4)(CCCC2)[H])[H])C5=CC=CO5.Cl |
| Color | Yellow |
| Appearance | Solid |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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