Abstract

In silico analysis of sunscreen compound, Ethyl p-methoxycinnamate, has been done. The aim of the study is to estimate Ethyl p-methoxycinnamate (EPMS) as sunscreen compound or as a natural shield UV-B. The calculation procedure was done as geometry structure optimization on Isopropyl p-methoxycinnamate (IPMS) as standard sunscreen compound by semiempirical method, AM1 and followed by optimized electronic transition spectral analysis that was calculated by ZINDO/S, ZINDO 1, PM3, and AM1. Analysis of the theoretical spectra was focused in the UV-B (290-315 nm). The results of study showed that the best electronic spectral analysis was ZINDO/S. The electronic transition spectra of IPMS give λmax 290.77 nm and EPMS give λmax 292.41 nm. These results indicate that the EPMS could be utilized as sunscreen compound of UV-B.

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