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81020-63-5

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81020-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81020-63-5 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 81020-63:
(7*8)+(6*1)+(5*0)+(4*2)+(3*0)+(2*6)+(1*3)=85
85 % 10 = 5
So 81020-63-5 is a valid CAS Registry Number.

81020-63-5Relevant articles and documents

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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