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123431-07-2

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123431-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123431-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,3 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123431-07:
(8*1)+(7*2)+(6*3)+(5*4)+(4*3)+(3*1)+(2*0)+(1*7)=82
82 % 10 = 2
So 123431-07-2 is a valid CAS Registry Number.

123431-07-2Downstream Products

123431-07-2Relevant articles and documents

Synthesis and characterization of triphenyltin esters of heteroaromatic carboxylic acids and the crystal structure of [Ph3SnO 2CC5H4N·0.5H2O] ∞

Yin, Han-Dong,Wang, Chuan-Hua,Xing, Qiu-Ju

, p. 1805 - 1810 (2004)

The reaction of triphenyltin hydroxide with 2-furanyl, 2-furanvingl, 2-(5-terbutyl) furanyl, 2-(5-benzoyl) furanyl, 2-pyridinyl, 4-pyridinyl, 3-indolyl, 3-indolmethyl, 3-indolethyl and 3-indolpropyl carboxylates in 1:1 stoichiometry yields triphenyltin esters of heteroaromatic carboxylic acids Ph3SnO2CR. All compounds are characterized by elemental analysis, IR and 1H NMR. The crystal structure of the triphenyltin ester of 4-pyridinyl carboxylic acid (6) is determined by single crystal X-ray diffraction. In compound (6), the tin atom is rendered five-coordinate in a trigonal bipyramidal structure by coordinating with the 4-pyridinyl carboxlate group. The resulting structure is a linear polymer containing Sn-O bond lengths of 0.2160(5)-0.2166(5) nm and Sn-N bond lengths of 0.2512(6)-0.2612(6) nm.

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