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benzol-1,4-disulfonsaeure dimethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33301-74-5

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33301-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33301-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33301-74:
(7*3)+(6*3)+(5*3)+(4*0)+(3*1)+(2*7)+(1*4)=75
75 % 10 = 5
So 33301-74-5 is a valid CAS Registry Number.

33301-74-5Downstream Products

33301-74-5Relevant academic research and scientific papers

STUDIEN ZUM VORGANG DER WASSERSTOFFUEBERTRAGUNG 62. HERSTELLUNG UND ELEKTROREDUKTIVE SPALTUNG EINIGER ARYLDISULFONSAEUREDERIVATE

Horner, Leopold,Schmitt, Rolf-Elhard

, p. 169 - 178 (2007/10/02)

Benzene-disulfonylchlorides were converted to the corresponding dialkyl- and diphenylesters, N-alkyl- and N-aryl disulfonamides.The half-wave-potentials E11/2 and E21/2 were measured and the products obtained on potentiostatic fission at E11/2 were isolated and characterized.The electroreduction of benzene-1,4-disulfonic acid-diphenylester in methanol yields phenol in quantity approximately corresponding to the current passed, but no corresponding quantity of sulfinic acid.In dry acetonitrile, benzene-1,4-disulfonic acid diesters and diamides undergo potentiostatic fission (at E11/2) in good chemical and current yields, giving the corresponding monosulfonate-sulfinic acid or monosulfonamide-sulfinic acid and alcohol or amine.The passage of further electrical current reduces the sulfinic acids to other, as yet undetermined, products.

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