343233-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343233-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,2,3 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 343233-34:
(8*3)+(7*4)+(6*3)+(5*2)+(4*3)+(3*3)+(2*3)+(1*4)=111
111 % 10 = 1
So 343233-34-1 is a valid CAS Registry Number.
343233-34-1Relevant articles and documents
A novel Friedel-Crafts alkylation of naphthols without Lewis acid
Zhu, Yijun,Lin, Kuaile,Ye, Deyong,Zhou, Weicheng
, p. 5039 - 5042 (2015)
Abstract A novel Friedel-Crafts alkylation of α- or β-naphthols with a variety of β-haloketones is described. The reaction was environmentally-friendly performed under mild conditions without any Lewis acid and in good to excellent yields.