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87759-32-8

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87759-32-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87759-32-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,5 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87759-32:
(7*8)+(6*7)+(5*7)+(4*5)+(3*9)+(2*3)+(1*2)=188
188 % 10 = 8
So 87759-32-8 is a valid CAS Registry Number.

87759-32-8Downstream Products

87759-32-8Relevant articles and documents

Use of Shift Reagent with MTPA Derivatives in 19F NMR Spectroscopy IV - Determination of Enantiomeric Composition for a Variety of Secondary Cycloalkanols. A Survey

Merckx, E. M.,Lepoivre, J. A.,Lemiere, G. L.,Alderweireldt, F. C.

, p. 380 - 387 (2007/10/02)

Chiral secondary cycloalkanols (monpocyclic alcohols) are derivatized to the corresponding (R)-α-methoxy-α-trifluoromethyl-α-phenylacetic acid esters and analysed by 19F NMR in the presence of tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionato)europium(III) .Using this method the enantiomeric composition can be measured for severak cyclopentanols, cyclohexanols and cycloheptanols, with a variety of substitution patterns.It is shown that a mixture of four stereoisomeric cycloalkanols, such as cis and trans disubstituted alcohols, can be analysed simultaneously.

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