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33838-03-8

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33838-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33838-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,3 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33838-03:
(7*3)+(6*3)+(5*8)+(4*3)+(3*8)+(2*0)+(1*3)=118
118 % 10 = 8
So 33838-03-8 is a valid CAS Registry Number.

33838-03-8Downstream Products

33838-03-8Relevant articles and documents

A direct conversion of carboxylic acids to methylthiomethyl esters using a microwave-assisted pummerer rearrangement with dimethylsulfoxide

McCarthy, Allison,Spatney, Russell,Manpadi, Madhuri,Myers, Brian J.,Zimmerman, Jake R.

supporting information; experimental part, p. 4782 - 4784 (2012/09/07)

A simple microwave-assisted method for the conversion of carboxylic acids to MTM esters is presented. This new process allows for rapid introduction of an MTM ester protecting group to a variety of carboxylic acids including alkyl, electron-rich aromatic,

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