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1,7-Dioxa-2,8,11,12-tetraazadispiro[4.0.4.3]trideca-2,8,12-triene, 11-benzoyl-3,9-bis(2,6-dichlorophenyl)-13-phenyl-, trans- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143950-68-9

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143950-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143950-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,5 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143950-68:
(8*1)+(7*4)+(6*3)+(5*9)+(4*5)+(3*0)+(2*6)+(1*8)=139
139 % 10 = 9
So 143950-68-9 is a valid CAS Registry Number.

143950-68-9Downstream Products

143950-68-9Relevant academic research and scientific papers

Spiroheterocycles from reaction of nitrile oxides with heterocyclic o-quinodimethanes

Mitkidou, Sophia,Stephanidou-Stephanatou, Julia,Terzis, Aristides,Mentzafos, Demetrios

, p. 6059 - 6068 (2007/10/02)

1,3-Dipolar cycloaddition to o-quinodimethanes has been observed for the first time in the reaction of pyrazole and isoxazole o-quinodimethanes 4-6 with the stable nitrile oxides 7 and 8. The products, dispiroisoxazolines 9-14, were isolated in moderate y

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