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9-chloro-4-phenyl-3a,4,11a,11b-tetrahydro-2,6-dioxa-cyclopenta[a]anthracene-1,3,11-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133405-93-3

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133405-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133405-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,4,0 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133405-93:
(8*1)+(7*3)+(6*3)+(5*4)+(4*0)+(3*5)+(2*9)+(1*3)=103
103 % 10 = 3
So 133405-93-3 is a valid CAS Registry Number.

133405-93-3Relevant academic research and scientific papers

SOME REACTIONS OF 6-CHLORO-2-METHYL-4H-1-BENZOPYRAN-4-ONE. I

Salem, Mounir A. I.,Hamed, Ashraf A.,El-Shekeil, Ali G.,Babaqui, A. S.,Madkour, Hassan M. F.

, p. 495 - 508 (2007/10/03)

4H-1-Benzopyran-4-ones (Chromones) are proved to be of special importance in medicine as stimulants of the central nervous system, spasmolytics, coronary dilators, inhibitors for the growth of human cancer cells, reductants for blood pressure, diuretics, antiallergic, antibiotics and cardiovascular agents. In the course of the present work several new derivatives containing the chromone moiety were prepared. Some of their reactions were investigated in the hope of obtaining new compounds having biological activities. The reactivities of chromone nucleus towards cycloaddition reactions under Diels-Alder conditions, nucleophilic and electrophilic reagents, photocyclodehydrogenation and thiation have been investigated.

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