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81020-65-7

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81020-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81020-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,2 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81020-65:
(7*8)+(6*1)+(5*0)+(4*2)+(3*0)+(2*6)+(1*5)=87
87 % 10 = 7
So 81020-65-7 is a valid CAS Registry Number.

81020-65-7Relevant articles and documents

Direct C–S Bond Functionalization of Benzyl Mercaptan

Choudhuri, Khokan,Mal, Prasenjit,Pramanik, Milan

supporting information, (2020/07/04)

Cleavage of a C–S bond of benzyl mercaptan led to formation of a new C–C bond during (Z)-selective alkenylation of nitriles using 1,10-phenanthroline as organocatalyst and tBuOK as a base. Furthermore, we have shown that the cascaded functionalization of benzylic C–S and aryl–halide bonds could be done in one pot. 1H NMR study and kinetic experiments also helped to establish the mechanism of the reaction.

Kinetic Study of the Base-catalysed Reactions of Benzaldahehyde and Thiophene-2-carbaldehyde with Acetonitriles

Alberghina, Gaetano,Amato, Maria Emanuela,Corsaro, Antonio,Fisichella, Salvatore,Scarlata, Giuseppe

, p. 353 - 356 (2007/10/02)

The reaction rates of the sodium methoxide-catalysed condensation of benzaldehyde and thiophene-2-carbaldehyde with heteroaromatic acetonitriles ArCH2CN; Ar = C6H5, C6H4CH3(p), C6H4-OCH3(p), C6H4F(p), C6H4Cl(p), C6H4Br(p), 2-thienyl, 3-thienyl, 3-pyridyl

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