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75431-14-0

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75431-14-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75431-14-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,3 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75431-14:
(7*7)+(6*5)+(5*4)+(4*3)+(3*1)+(2*1)+(1*4)=120
120 % 10 = 0
So 75431-14-0 is a valid CAS Registry Number.

75431-14-0Downstream Products

75431-14-0Relevant articles and documents

Anti-Bredt Molecules. 3. 3-Oxa-1-azabicyclononan-2-one and 6-Oxa-1-azabicyclooctan-7-one, Two Atom-Bridged Bicyclic Urethanes Possessing Bridgehead Nitrogen

Hall, H. K.,El-Shekeil, Ali

, p. 5325 - 5328 (1980)

The first atom-bridged bicyclic urethanes possessing bridgehead nitrogen have been synthesized and their properties examined briefly. 3-Oxa-1-azabicyclononan-2-one was synthesized from 3-(hydroxymethyl)-piperidine and phosgene by using two alternate reaction schemes. 6-Oxa-1-azabicyclooctan-7-one was synthesized similarly from 3-hydroxypiperidine.Both compounds were stable, white, crystalline solids with normal infrared spectra.They were rather stable to acids and bases, but phosphoric acid initiated ring-opening polymerization demonstrated strain in the system.A novel O -> N rearrangement of two aminochloroformates to hydroxy N-carbamoyl chlorides was demonstrated.

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