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349636-50-6

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349636-50-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 349636-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,6,3 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 349636-50:
(8*3)+(7*4)+(6*9)+(5*6)+(4*3)+(3*6)+(2*5)+(1*0)=176
176 % 10 = 6
So 349636-50-6 is a valid CAS Registry Number.

349636-50-6Relevant articles and documents

Synthesis of heterocycle substituted 1-aryl-4-piperidones

Hu, Baihua,Malamas, Michael,Ellingboe, John

, p. 857 - 870 (2002)

A series of heterocycle substituted 1-aryl-4-piperidones were prepared via Knoevenagel condensations between nitrogen-containing 5-membered heterocycles and benzaldehyde (1) followed by reduction or amination. The oxadiazolidinedione ring was formed by reacting the N-hydroxyurea (10) with methyl chloroformate and sodium hydride.

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