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Tetraphenylmethane-4,4',4'',4'''-tetracarboxylic acid tetramethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

105309-62-4

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105309-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105309-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,3,0 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 105309-62:
(8*1)+(7*0)+(6*5)+(5*3)+(4*0)+(3*9)+(2*6)+(1*2)=94
94 % 10 = 4
So 105309-62-4 is a valid CAS Registry Number.

105309-62-4Relevant academic research and scientific papers

EPR, 1H, and 13C ENDOR Studies of a Quintet-State 13C-Labeled Galvinoxyl-Type Tetraradical

Kirste, Burkhard,Grimm, Michael,Kurreck, Harry

, p. 108 - 114 (2007/10/02)

The syntheses of unlabeled and fourfold 13C-labeled tetraphenylmethane tetrakisgalvinols are described.Different paramagnetic species, i.e., a double-state monoradical, a triplet-state biradical, a quartet-state triradical, a quintet-state tetraradical, c

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