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17231-20-8

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17231-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17231-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,3 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17231-20:
(7*1)+(6*7)+(5*2)+(4*3)+(3*1)+(2*2)+(1*0)=78
78 % 10 = 8
So 17231-20-8 is a valid CAS Registry Number.

17231-20-8Relevant articles and documents

Oxidation of stannylene derivatives of carbohydrates using 1,3-dibromo-5,5-dimethylhydantoin

Soederman, Peter,Widmalm, Goeran

, p. 184 - 186 (1999)

1,3-Dibromo-5,5-dimethylhydantoin (DBDMH) has been used to oxidize stannylene derivatives of monosaccharides to give hydroxy-ketones thereof. Oxidations could be performed rapidly and in good-to-excellent yields. The oxidizing reagent DBDMH thus provides

Synthesis of pseudo-C-nucleosides from β-formyl-α,β- unsaturated ester bearing a β-furanosidic moiety

Pinheiro, Jorge M.,Isabel Ismael,Figueiredo, J. Albertino,Silva, Artur M. S.

experimental part, p. 1237 - 1244 (2011/09/30)

Pseudo-C-nucleosides have potential biological activity, and an efficient synthesis of new pseudo-C-nucleosides has been developed via the reaction of a β-formyl-α,β-unsaturated ester bearing a β-sugar moiety with hydrazines in neutral and acidic conditio

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