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115304-41-1

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115304-41-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115304-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,3,0 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 115304-41:
(8*1)+(7*1)+(6*5)+(5*3)+(4*0)+(3*4)+(2*4)+(1*1)=81
81 % 10 = 1
So 115304-41-1 is a valid CAS Registry Number.

115304-41-1Relevant articles and documents

Convenient synthesis of (+)-valiolamine and (-)-1-epi-valiolamine from (-)-vibo-quercitol

Ogawa, Seiichiro,Ohishi, Yo,Asada, Miwako,Tomoda, Akihiro,Takahashi, Atsushi,Ooki, Yoriko,Mori, Midori,Itoh, Masayoshi,Korenaga, Takashi

, p. 884 - 889 (2007/10/03)

The synthesis of (+)-valiolamine and (-)-1-epi-valiolamine using bioconversion of (-)-vibo-quercitol was investigated. The quercitols were separated and purified by combination of chromatography on ion-exchange-resin columns and recrystallization. Valiolamine was isolated from fermentation broth of antibiotic validamycins. The obtained crude ketone was subjected to C-C bond formation conditions in which diazomethane was considered adequate in polar and protic solvsnts.

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