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159431-23-9

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159431-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159431-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,4,3 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 159431-23:
(8*1)+(7*5)+(6*9)+(5*4)+(4*3)+(3*1)+(2*2)+(1*3)=139
139 % 10 = 9
So 159431-23-9 is a valid CAS Registry Number.

159431-23-9Downstream Products

159431-23-9Relevant articles and documents

Expeditious synthesis of new 1,2,3-thiadiazoles and 1,2,3-selenadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Morio-type reactions

Attanasi, Orazio A.,De Crescentini, Lucia,Favi, Gianfranco,Filippone, Paolino,Giorgi, Gianluca,Mantellini, Fabio,Santeusanio, Stefania

, p. 1947 - 1953 (2007/10/03)

α-Substituted hydrazones obtained from 1,2-diaza-1,3-butadienes and methylenic or methinic activated substrates gave rise to a wide range of cyclic compounds. In particular, in the presence of thionyl chloride as solvent-reagent, they were transformed int

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