4-Aminobenzoic-​2,​3,​5,​6-​d4 Acid Methyl Ester

4-Aminobenzoic-2,3,5,6-d4 Acid Methyl Ester is a deuterium-labelled version of the common compound 4-Aminobenzoic Acid Methyl Ester. Both compounds are used in the manufacture of sunscreen products and other cosmetic formulations due to their ability to absorb ultraviolet light. They are also used in the pharmaceutical industry as intermediates in the synthesis of certain drugs, including local anesthetics and antifungal agents. The chemical formula of 4-Aminobenzoic-2,3,5,6-d4 Acid Methyl Ester is C8H6D4N2O2, with a molecular weight of 172.22 g/mol. It contains four deuterium atoms, which are heavy isotopes of hydrogen. The compound is a white to off-white powder that is soluble in organic solvents such as ethanol, methanol, and acetone. It is not soluble in water. The melting point of the compound is approximately 135-138°C. In terms of safety, 4-Aminobenzoic-2,3,5,6-d4 Acid Methyl Ester is a low toxicity compound. However, like all chemicals, it should be handled with caution and appropriate safety measures should be taken to minimize the risk of exposure. This includes wearing protective equipment such as gloves and goggles, and ensuring adequate ventilation in the laboratory.