90601-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90601-11-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,0 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90601-11:
(7*9)+(6*0)+(5*6)+(4*0)+(3*1)+(2*1)+(1*1)=99
99 % 10 = 9
So 90601-11-9 is a valid CAS Registry Number.
90601-11-9Relevant articles and documents
45. A Facile Conversion of Tertiary Amines into triphenylphosphonium Salts
Vorbrueggen, Helmut,Krolikiewicz, Konrad
, p. 819 - 825 (1993)
Halogenation of Et3N, (i-Pr)2EtN, and N-ethylmorpholine or of enamines with dichlorotriphenylphosphorane gives in up to 75percent yield the corresponding triphenylphosphonium chlorides, which can be readily converted into the corres