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137556-80-0

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137556-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137556-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137556-80:
(8*1)+(7*3)+(6*7)+(5*5)+(4*5)+(3*6)+(2*8)+(1*0)=150
150 % 10 = 0
So 137556-80-0 is a valid CAS Registry Number.

137556-80-0Downstream Products

137556-80-0Relevant 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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