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1,4-dibromo-2,5-dimethoxy-3,6-bis(2-methoxycarbonylethyl)benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221045-60-9

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221045-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221045-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,0,4 and 5 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221045-60:
(8*2)+(7*2)+(6*1)+(5*0)+(4*4)+(3*5)+(2*6)+(1*0)=79
79 % 10 = 9
So 221045-60-9 is a valid CAS Registry Number.

221045-60-9Relevant academic research and scientific papers

Syntheses and Properties of New Quinone-Bridged Diphenyl- and Tetraphenylporphyrins

Staab, Heinz A.,Carell, Thomas,Doehling, Annelie

, p. 223 - 230 (2007/10/02)

Syntheses and spectroscopic properties of the porphyrin-quinone cyclophanes 1, 2 and 3 of which structural and/or conformation studies have recently reported are described.Physical properties related to photoinduced electron-transfer reactions like redox

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