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433717-33-0

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433717-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 433717-33-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,7,1 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 433717-33:
(8*4)+(7*3)+(6*3)+(5*7)+(4*1)+(3*7)+(2*3)+(1*3)=140
140 % 10 = 0
So 433717-33-0 is a valid CAS Registry Number.

433717-33-0Relevant articles and documents

Synthesis and structure determination of N,N-diethyl-3-[3-aryl-1,2,4- oxadiazol-5-yl]propionamides

Srivastava, Rajendra Mohan,Da Concei??o Pereira, Maria,Hallwass, Fernando,Pacheco, Carlos R. N.

, p. 2961 - 2967 (1999)

An efficient and facile synthesis of six new 1,2,4-oxadiazoles (6a-f) with a tertiary amide group attached on the side-chain, in high yield, is described. Correct assignments of side-chain methylene, methyl protons, and carbon signals have been made with the assistance of COSY, NOESY and HETCOR NMR experiments.

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