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13781-54-9

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13781-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13781-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,8 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13781-54:
(7*1)+(6*3)+(5*7)+(4*8)+(3*1)+(2*5)+(1*4)=109
109 % 10 = 9
So 13781-54-9 is a valid CAS Registry Number.

13781-54-9Relevant articles and documents

Three substituted (E)-3-aryl-2-(thienyl)-acrylonitriles: Isolated molecules, simple hydrogen-bonded chains and hydrogen-bonded sheets

Cobo, Debora,Quiroga, Jairo,De La Torre, Jose M.,Cobo, Justo,Low, John N.,Glidewell, Christopher

, p. o550-o553 (2006)

The structure of (E)-2-(2-thienyl)-3-(3,4,5-trimethoxyphenyl)- acrylonitrile, C16H15NO3S, contains no direction-specific intermolecular interactions. The molecules of (E)-3-(4-bromophenyl)-2-(2-thienyl)acrylonitrile, Csub

Benzannelated Analogs of Phenanthro- and thiophene: Synthesis and Structural Characterization by Two-Dimensional NMR and X-Ray Techniques

Stuart, John G.,Quast, Michael J.,Martin, Gary E.,Lynch, Vincent M.,Simonsen, Stanley H.,et al.

, p. 1215 - 1234 (2007/10/02)

Syntheses of benzophenanthrothiophene, benzophenanthrothiophene and their 1-methyl analogs are reported as potential constituents of solvent refined coal liquids and for mutagenicity testing.The attempted synthesis of the 13-methyl

Synthesis and pharmacological properties of alpha-substituted 3-thienylacetamides

De Cointet,Grossi,Pigerol,et al.

, p. 223 - 227 (2007/10/02)

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