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97957-92-1

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97957-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97957-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,5 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 97957-92:
(7*9)+(6*7)+(5*9)+(4*5)+(3*7)+(2*9)+(1*2)=211
211 % 10 = 1
So 97957-92-1 is a valid CAS Registry Number.

97957-92-1Relevant articles and documents

Syntheses and biological activity studies of novel sterol analogs from nitroso diels-alder reactions of ergosterol

Yang, Baiyuan,Miller, Patricia A.,Moellmann, Ute,Miller, Marvin J.

supporting information; experimental part, p. 2828 - 2831 (2009/12/06)

A serles of novel sterol analogs was prepared using nitroso Dlels-Alder reactions with ergosterol. Most cycloaddltlon reactions proceeded In an excellent reglo- and stereoselective fashion. Further N-O bond cleavage of cycloadducts generated compounds with biological activity In PC-3 and MCF-7 cancer cell lines

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