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123012-59-9

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123012-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123012-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,0,1 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123012-59:
(8*1)+(7*2)+(6*3)+(5*0)+(4*1)+(3*2)+(2*5)+(1*9)=69
69 % 10 = 9
So 123012-59-9 is a valid CAS Registry Number.

123012-59-9Downstream Products

123012-59-9Relevant articles and documents

Synthesis and spectroscopic studies on dibutyl-, tributyl- and triphenyltin esters of p-methoxy trans-cinnamic acid

Sharma, Hemant K.,Iata, Sneh,Sharma,Molloy, Kieran C.,Waterfield, Philip C.

, p. 9 - 15 (2007/10/02)

One triphenyl, one tributyl, and two dibutyl esters of p-methoxy trans-cinnamic acid have been synthesized and characterized by IR, NMR (1H, 13C, 119Sn) and 119Sn Moessbauer spectral data. Spectroscopic data suggest that the carboxy-dibutyl distannoxane adopts a ladder structure containing five-coordinate tin atoms, while the dibutyltin bis(cinnamate) ester has a distorted six-coordinate trans-R2SnO4 structure. The tributyltin ester is a five-coordinated polymer in the solid state and is a four-coordinate monomer in solution. The corresponding triphenyltin ester is four-coordinate in the solid and in solution.

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