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80049-44-1

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80049-44-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80049-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,0,4 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80049-44:
(7*8)+(6*0)+(5*0)+(4*4)+(3*9)+(2*4)+(1*4)=111
111 % 10 = 1
So 80049-44-1 is a valid CAS Registry Number.

80049-44-1Relevant articles and documents

Ribofuranosyl triazolone: A natural product herbicide with activity on adenylosuccinate synthetase following phosphorylation

Schmitzer, Paul R.,Graupner, Paul R.,Chapin, Eleanor L.,Fields, Steven C.,Gilbert, Jeff R.,Gray, Jim A.,Peacock, Cathy L.,Gerwick, B. Clifford

, p. 777 - 781 (2007/10/03)

2,4-Dihydro-4-(β-D-ribofuranosyl)-1,2,4(3H)-triazol-3-one (2) was identified as the principal phytotoxic component of a fermentation broth derived from an Actinomadura. The compound is a new natural product, but known by synthesis. Bread-spectrum herbicidal activity was demonstrated in greenhouse tests. Metabolite reversal studies suggested the target site was adenylosuccinate synthetase, which was confirmed by direct measurement of the activity of the 5'-phosphorylated derivative on the isolated enzyme.

Syntheses and Structure Assignments of Six Azolinone Ribonucleosides

Haines, David R.,Leonard, Nelson J.,Wiemer, David F.

, p. 474 - 482 (2007/10/02)

N-Ribosidation of a series of azolinones was achieved via silylation and SnCl4 catalysis.N-Ribosidation of 4-imidazolin-2-one gave 1-β-D-ribofuranosyl-4-imidazolin-2-one; of 1,2,4-triazolin-3-one gave 2- and 4-β-D-ribofuranosyl-1,2,4-triazolin-3-one, and 2,4-di-β-D-ribofuranosyl-1,2,4-triazolin-3-one; and of 2-tetrazolin-5-one gave 1-β-D-ribofuranosyl-2-tetrazolin-5-one and 1,4-di-β-D-ribofuranosyl-2-tetrazolin-5-one.Structure assignments were based on NMR and mass spectra, microanalytical data, and interconversions.The triazolinone monoriboside isomer structures were differentiated by 13C NMR long-range coupling patterns, and the assignments were confirmed by X-ray crystallography.New syntheses were developed for several of the ribonucleosides by fashioning the azolinone rings from 2,3,5-tri-O-benzoylribofuranosyl isocyanate.

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