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4-Nitro-benzoic acid (2S,3S,4S,6R)-6-((1S,3S)-3-ethyl-3,5,12-trihydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacen-1-yloxy)-2-methyl-4-(2,2,2-trifluoro-acetylamino)-tetrahydro-pyran-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81791-73-3

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81791-73-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81791-73-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,9 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81791-73:
(7*8)+(6*1)+(5*7)+(4*9)+(3*1)+(2*7)+(1*3)=153
153 % 10 = 3
So 81791-73-3 is a valid CAS Registry Number.

81791-73-3Relevant academic research and scientific papers

Synthesis and antitumor activity of novel 4-demethoxyanthracyclines

Adams,Blake,Broadhurst,Bushnell,Hassall,Hartmann,Keech,Stratton,Thomas

, p. 2375 - 2379 (2007/10/02)

A versatile and efficient synthetic route to 4-demethoxyanthracyclinones has been utilized in the preparation of a number of aglycons having 9-alkyl, 9-(hydroxylalkyl), or 9-carbamoyl substituents. Silver trifluoromethanesulfonate catalyzed coupling of th

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