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Methanesulfonic acid (MsOH, MSA) or methanesulphonic acid (in British English) is an organosulfuric, colorless liquid with the molecular formula CH 3 SO 3 H and structure H 3 C−S(=O) 2 −OH. It is the simplest of the alkylsulfonic acids ( R−S(=O) 2 −OH ).
Ecamsule (USAN, trade name Mexoryl SX, INCI terephthalylidene dicamphor sulfonic acid) is an organic compound which is added to many sunscreens to filter out UVA rays. It is a benzylidene camphor derivative, many of which are known for their excellent photostability.
Ethyl methanesulfonate (EMS) is an organosulfur compound with the formula CH 3 SO 3 C 2 H 5.It is the ethyl ester of methanesulfonic acid.A colorless liquid, it is classified as an alkylating agent.
Sulfonic acids are strong acids. They are commonly cited as being around a million times stronger than the corresponding carboxylic acid. For example, p-Toluenesulfonic acid and methanesulfonic acid have pK a values of −2.8 and −1.9, respectively, while those of benzoic acid and acetic acid are 4.20 and 4.76, respectively
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Methanesulfonic acid methyl ester Methyl mesylate MMS. Identifiers CAS Number. ... However, it is now believed that MMS stalls replication forks, ...
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