161837-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161837-50-9 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, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161837-50:
(8*1)+(7*6)+(6*1)+(5*8)+(4*3)+(3*7)+(2*5)+(1*0)=139
139 % 10 = 9
So 161837-50-9 is a valid CAS Registry Number.
161837-50-9Relevant articles and documents
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.
