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146681-69-8

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146681-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146681-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,6,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 146681-69:
(8*1)+(7*4)+(6*6)+(5*6)+(4*8)+(3*1)+(2*6)+(1*9)=158
158 % 10 = 8
So 146681-69-8 is a valid CAS Registry Number.

146681-69-8Downstream Products

146681-69-8Relevant articles and documents

Monomeric and Dimeric Acyloxydialkylboranes

Yalpani, Mohamed,Boese, Roland,Seevogel, Klaus,Koester, Roland

, p. 47 - 50 (2007/10/02)

The carboxylic acids RCO2H t a, Et b, 3,4,5-(MeO)3C6H2 c, 4-MeOC6H4 d, Ph e, 2,4,6-Me3C6H2 f, 2,6-Cl2C6H3 g, or 3,5-(CF3)2C6H3 h> were treated with triethylborane or with bis(9-borabicyclononane) to give the acyloxydiethylboranes 1a-1h and the 9-acyloxy-9-(borabicyclononanes) 2a-2h, respectively.Compounds 1a-1h are largely unassociated in nonpolar solvents ((11)B NMR, IR spectroscopy).As pure liquids, or in the solid state, they form equilibrium mixtures of monomeric and associated (dimeric) molecules (IR spectroscopy).Compounds 2a-2f are completely associated as pure liquids and in the solid state, but only weakly associated in non-polar solvents.Based in the crystal structure of dimeric 2e, it is proposed that, when associated, derivatives of both 1 and 2 form cyclic dimers.

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