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128134-20-3

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128134-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128134-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128134-20:
(8*1)+(7*2)+(6*8)+(5*1)+(4*3)+(3*4)+(2*2)+(1*0)=103
103 % 10 = 3
So 128134-20-3 is a valid CAS Registry Number.

128134-20-3Downstream Products

128134-20-3Relevant articles and documents

Reaction of Enaminones with Carbon Disulfide: Synthesis of Heterocycles Using Enamino Dithiocarboxylates

Tominaga, Yoshinori,Okuda, Hiroto,Mazume, Hisako

, p. 1245 - 1256 (2007/10/02)

Reaction of various types of enaminones, which are prepared by the condensation of 1,3-dicarbonyl compounds with aromatic amines, with carbon disulfide in the presence of sodium hydroxide as the base in dimethyl sulfoxide to give the corresponding enamino

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