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tetraethyl 4,5-dimethylcyclohexa-1,4-diene-1,2-diphosphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1023337-83-8

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1023337-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1023337-83-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,3,3 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1023337-83:
(9*1)+(8*0)+(7*2)+(6*3)+(5*3)+(4*3)+(3*7)+(2*8)+(1*3)=108
108 % 10 = 8
So 1023337-83-8 is a valid CAS Registry Number.

1023337-83-8Relevant academic research and scientific papers

New α-substituted alkylbenzene- and dialkylbenzene-1,2-diphosphonates: side-chain metalation of tetraethyl 4-methyl- and 4,5-dimethylbenzene-1,2-diphosphonates

Tverdomed, Sergey N.,R?schenthaler, Gerd-Volker,Kalinovich, Nataliya,Lork, Enno,Dogadina, Alla V.,Ionin, Boris I.

, p. 5306 - 5313 (2008/09/21)

Carbocyclic 1,2-diphosphonates (1a, 1b) are prepared by the Diels-Alder reaction of classical donor alka-1,3-dienes (isoprene and 2,3-dimethyl-1,3-butadiene) with tetraethyl acetylene bisphosphonate. Their aromatization by the KMnO4-Al2/s

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