Theobromine is a methylxanthine found in cocoa beans that inhibits adenosine receptor A1 (AR1) signaling.
| Molecular Weight | 180.16 |
| Formula | C7H8N4O2 |
| CAS Number | 83-67-0 |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
[2] Asimina Kerimi, et al. The cardiovascular benefits of dark chocolate
[3] Hendrik Jan Smit. Theobromine and the pharmacology of cocoa
[4] No authors listed. IARC Monogr Eval Carcinog Risks Hum. Theobromine
| Related Adenosine Receptor Products |
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| LUF6258
LUF6258 is a hybrid ortho/allosteric ligand of the adenosine A(1) receptor. |
| A3AR agonist 1
A3AR agonist 1 is an A3AR agonist (Ki: 25.8 nM). |
| A3AR agonist 2
A3AR agonist 2 a selective A3AR agonist (Ki: 22.1 nM). |
| Inupadenant hydrochloride
Inupadenant (EOS-850) hydrochloride is an orally active, highly selective A2A receptor antagonist. |
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