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117442-31-6

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117442-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117442-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,4 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117442-31:
(8*1)+(7*1)+(6*7)+(5*4)+(4*4)+(3*2)+(2*3)+(1*1)=106
106 % 10 = 6
So 117442-31-6 is a valid CAS Registry Number.

117442-31-6Upstream product

117442-31-6Downstream Products

117442-31-6Relevant articles and documents

Process for producing a high purity quaternary ammonium hydroxide

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, (2008/06/13)

A process for production of high purity quaternary ammonium hydroxides, comprising electrolyzing quaternary ammonium hydrogencarbonates represented by the general formula: (wherein the symbols are as defined in the appended claims) in an electrolytic cell comprising an anode compartment and a cathode compartment defined by a cation exchange membrane. In accordance with this process, high purity quaternary ammonium hydroxides can be produced with high electrolytic efficiency and further without causing corrosion of equip-ment. Since the quaternary ammonium hydroxides produced by the present invention are of high purity, they can be effectively used as, for example, cleaners, etchants or developers for wafers in the production of IC and LSI in the field of electronics and semiconductors.

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