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73641-21-1

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73641-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73641-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,4 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73641-21:
(7*7)+(6*3)+(5*6)+(4*4)+(3*1)+(2*2)+(1*1)=121
121 % 10 = 1
So 73641-21-1 is a valid CAS Registry Number.

73641-21-1Downstream Products

73641-21-1Relevant articles and documents

Electroreduction of Organic Compounds, 2. - Preperation of Dithioacetals by Electroreductive Alkylation of Alkyl Dithiocarboxylates

Kistenbruegger, Lothar,Voss, Juergen

, p. 472 - 480 (2007/10/02)

Alkyl Dithiobenzoates 1 and O-methyl thiobenzoate (7) yield the benzaldehyde dithioacetals 2 or monothioacetals 8, respectively, by electroreduction in the presence of alkyl halides.The S-acylal 3b is formed from ethyl dithiobenzoate 1b in the presence of acetic anhydride. - The dithioacetals 5 and the ketene dithioacetals 6 are obtained by co-electroreduction of methyl dithiopropionate (4) with alkyl halides. - Conclusions about the reaction mechanism are drawn from voltammetric measurements.

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