| Identification | Back Directory | [Name]
Ro 18-3981 | [CAS]
103295-92-7 | [Synonyms]
Ro 18-3981
1,4-Dihydro-2,6-dimethyl-5-[[[(1-methylethyl)amino]sulfonyl]acetyl]-4-(3-nitrophenyl)-3-pyridinecarboxylic acid 2-propoxyethyl ester | [MOL File]
103295-92-7.mol |
| Hazard Information | Back Directory | [Description]
Ro 18-3981 inhibits myocardial Ca2+ channels. The KD value of Ro 18-3981 (1.0 nM) was similar to the IC50 value for blockade of ICa at a Vh of -20 mV (2.3 nM), i.e. at a level of near-maximal depolarization. | [Uses]
Ro 18-3981 is a dihydropyridine that inhibits cardiac Ca2+ channels. Ro 18-3981 shows higher inhibitory activity when the cell membrane is in a depolarized state (Vh=-20 mV: IC50=2.3 nM; Vh=-50 mV: IC50=100 nM)[1]. | [References]
[1] Holck M, et al. Inhibition of myocardial Ca2+ channels by three dihydropyridines with different structural features: potential‐dependent blockade by Ro 18–3981[J]. British journal of pharmacology, 1987, 91(1): 61-67. DOI:10.1111/j.1476-5381.1987.tb08983.x |
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