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171774-71-3

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171774-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171774-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,7,7 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171774-71:
(8*1)+(7*7)+(6*1)+(5*7)+(4*7)+(3*4)+(2*7)+(1*1)=153
153 % 10 = 3
So 171774-71-3 is a valid CAS Registry Number.

171774-71-3Relevant articles and documents

π-Allylic sulfonylation in water with amphiphilic resin-supported palladium-phosphine complexes

Uozumi, Yasuhiro,Suzuka, Toshimasa

experimental part, p. 1960 - 1964 (2009/04/04)

π-Allylic substitution of allyl esters with sodium arylsul-finate was performed with an amphiphilic polystyrene-poly(ethylene glycol) (PS-PEG) resin-supported phosphine-palladium complex in water as a single reaction medium under heterogeneous conditions to give allyl sulfones in good to high yields. Catalytic asymmetric allylic substitution of cycloalkenyl esters also took place in water using a PS-PEG resin-supported chiral imidazo-indolephosphine- palladium complex to give cycloalkenyl sulfones with up to 81% ee.

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