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131771-59-0

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131771-59-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131771-59-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,7 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131771-59:
(8*1)+(7*3)+(6*1)+(5*7)+(4*7)+(3*1)+(2*5)+(1*9)=120
120 % 10 = 0
So 131771-59-0 is a valid CAS Registry Number.

131771-59-0Relevant articles and documents

InCl3/IBX: A novel reagent system for the conversion of glycals into α,β-unsaturated δ-lactones

Yadav,Reddy, B.V. Subba,Reddy, Ch. Suresh

, p. 4583 - 4585 (2004)

The combination of indium trichloride with iodoxybenzoic acid (IBX) has been utilized for the first time as a novel reagent system for the one-pot synthesis of 2,3-dideoxy-D-hex-2-enono-1,5-lactones from glycals. The reaction proceeds smoothly in aqueous

Synthesis of C-spiro-glycoconjugates from sugar lactones via zinc mediated Barbier reaction

Lambu, Mallikharjuna Rao,Hussain, Altaf,Sharma, Deepak K.,Yousuf, Syed Khalid,Singh, Baldev,Tripathi, Anil. K.,Mukherjee, Debaraj

, p. 11023 - 11028 (2014/03/21)

Anomeric gem-diallylation, mono-β-crotylation and mono-β- propargylation of sugar 1,5 and 1,4 lactones have been achieved under Barbier reaction conditions using Zn powder and a catalytic amount of TMSCl as an activator. Ring closing olefin metathesis of the synthesized gem-diallyl derivatives furnished C-spiro cyclopentene glycosides. Finally, the cyclopentene rings were converted into carbohydrate based tricyclic morpholine fused triazole glycoconjugates as potential SGLT2 inhibitors.

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