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119905-80-5

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119905-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119905-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,9,0 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 119905-80:
(8*1)+(7*1)+(6*9)+(5*9)+(4*0)+(3*5)+(2*8)+(1*0)=145
145 % 10 = 5
So 119905-80-5 is a valid CAS Registry Number.

119905-80-5Downstream Products

119905-80-5Relevant articles and documents

A convenient approach for access to both carbapentofuranoses and carbahexopyranoses. Stereocontrolled synthesis of enantiopure Carba-D-ribofuranoses, Carba-D-arabinofuranoses and Carba-L-gulopyranose

Ghosh, Subrata,Bhaumik, Tanurima,Sarkar, Niladri,Nayek, Abhijit

, p. 9687 - 9694 (2007/10/03)

A new approach to carbasugars in enantiomerically pure form is reported. The key step involves ring-closing metathesis of dienols 6 derived from a (R)-(+)-glyceraldehyde derivative 4 to form the substituted cyclopentenol 9 and cyclohexenol 34a. Stereocont

Cobalt-catalysed radical oxygenation with molecular oxygen

Bamhaoud, Toufiq,Prandi, Jacques

, p. 1229 - 1230 (2007/10/03)

Molecular oxygen is an efficient trap in cobalt-catalysed radical substitution and 5-exo radical cyclization reactions.

Samarium(II) Iodide Promoted Ring Contraction of Carbohydrate Derivatives: an Expeditious Synthesis of Functionalised Cyclopentanes

Chenede, Alain,Pothier, Paul,Sollogoub, Matthieu,Fairbanks, Antony J.,Sinay, Pierre

, p. 1373 - 1374 (2007/10/02)

Aldehydo methyl pyranosides undergo ring contraction induced by treatment with samarium(ii) iodide, in the presence of HMPA and tert-butyl alcohol, to give highly functionalised cyclopentanes.

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