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105907-95-7

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105907-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105907-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,0 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 105907-95:
(8*1)+(7*0)+(6*5)+(5*9)+(4*0)+(3*7)+(2*9)+(1*5)=127
127 % 10 = 7
So 105907-95-7 is a valid CAS Registry Number.

105907-95-7Upstream product

105907-95-7Downstream Products

105907-95-7Relevant articles and documents

[5]HELOL phosphite: A helically grooved sensor of remote chirality

Weix,Dreher,Katz

, p. 10027 - 10032 (2000)

Even when the first center of chirality is far from a functional group, the stereochemistries of chiral molecules can be sensed if the functional group is attached to a phosphorus embedded within the groove of a nonracemic helicene. The sensor used was a phosphite ester of [5]HELOL, structure 6, and 31P NMR spectroscopy was the method of analysis. Although there are seven methylenes between the hydroxyl and the first center of chirality, the 31P NMRs could distinguish the enantiomers of 8-phenylnonanol with baseline resolution. However, to achieve this resolution, the solvent has to be chosen appropriately. The probe can also analyze the enantiomers of other alcohols, amines, phenols, and, when they were coupled to 2-aminophenol, carboxylic acids. The sensitivity to remote chiral centers of the moieties, analyzed is attributed to their confinement to the helical groove.

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