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Sp-cAMPS sodium salt is an analog of cAMP that serves as a potent activator of cAMP-dependent PKA I and PKA II, and as a competitive phosphodiesterase (PDE3A) inhibitor with a Ki of 47.6 μM. It also binds the PDE10 GAF domain with an EC50 of 40 μM [1] [2] [3].

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $170 | 35 days | 35 days | |
| 5 mg | $755 | 35 days | 35 days |
| Description | Sp-cAMPS sodium salt is an analog of cAMP that serves as a potent activator of cAMP-dependent PKA I and PKA II, and as a competitive phosphodiesterase (PDE3A) inhibitor with a Ki of 47.6 μM. It also binds the PDE10 GAF domain with an EC50 of 40 μM [1] [2] [3]. |
| Targets&IC50 | PDE10 GAF domain:50 μM (EC50), PDE3A:47.6 μM (Ki) |
| In vitro | The glucagon-stimulated increases in the level of Ca 2+ can be mimicked by Sp-cAMPS. Treatment of hepatocytes with Sp-cAMPS which is the stimulatory diastereomer of adenosine cyclic 3',5'-phosphorothioate, mimics the response seen with glucagon [4]. |
| In vivo | In chronic alcohol consumption (CAC) mice, direct infusion of the PKA activator (Sp-cAMPS) (1 μg/μL) into the prefrontal cortex significantly improves working memory performance in withdrawn animals and impairs it in water animals [5]. |
| Molecular Weight | 367.25 |
| Formula | C10H12N5NaO5PS+ |
| Cas No. | 142439-95-0 |
| Smiles | O[C@H]1[C@@H](O[C@@]2([H])[C@@]1([H])OP([S-])(OC2)=O)N3C4=NC=NC(N)=C4N=C3.[Na+] |
| Relative Density. | no data available |
| 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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