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161837-48-5

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161837-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161837-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,3 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 161837-48:
(8*1)+(7*6)+(6*1)+(5*8)+(4*3)+(3*7)+(2*4)+(1*8)=145
145 % 10 = 5
So 161837-48-5 is a valid CAS Registry Number.

161837-48-5Relevant articles and documents

New Synthesis of Isoxazolidines from the Selenium-Induced Cyclization of O-Allyl Hydroxylamines

Tiecco, Marcello,Testaferri, Lorenzo,Tingoli, Marco,Santi, Claudio

, p. 163 - 166 (2007/10/02)

The reaction of O-allyl hydroxylamines with phenylselenenyl sulfate, generated from the oxidation of diphenyl diselenide with ammonium persulfate, easily affords N-alkyl isoxazolidines as the result of a cyclization reaction through the formation of a car

Selenium-induced cyclization of O-allyl oximes as a synthetic route to N-alkyl isoxazolidines

Tiecco, Marcello,Testaferri, Lorenzo,Tingoli, Marco,Bagnoli, Luana,Santi, Claudio

, p. 1277 - 1284 (2007/10/02)

Phenylselenyl bromide easily reacts with O-allyl oximes to afford cyclic iminium bromides which can be reduced in situ with sodium borohydride to produce substitued N-alkyl isoxazolidines in good yield.

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