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(4-Hydroxy-3-methoxy-phenylsulfinamoyl)-acetic acid tert-butyl ester is a complex organic compound with the chemical formula C12H17NO5S. It is a derivative of acetic acid, featuring a sulfonyl group attached to a phenyl ring, which is substituted with a hydroxyl group at the 4-position and a methoxy group at the 3-position. The tert-butyl ester group is attached to the carboxylic acid moiety, providing stability and solubility properties. (4-Hydroxy-3-methoxy-phenylsulfinamoyl)-acetic acid tert-butyl ester is known for its potential applications in the synthesis of pharmaceuticals and agrochemicals, particularly as a precursor in the production of certain drugs and pesticides. Its chemical structure and reactivity make it a valuable intermediate in organic synthesis, highlighting its importance in the development of new chemical entities.

99543-23-4

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99543-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99543-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,4 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99543-23:
(7*9)+(6*9)+(5*5)+(4*4)+(3*3)+(2*2)+(1*3)=174
174 % 10 = 4
So 99543-23-4 is a valid CAS Registry Number.

99543-23-4Relevant academic research and scientific papers

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