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81194-43-6

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81194-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81194-43-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,9 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81194-43:
(7*8)+(6*1)+(5*1)+(4*9)+(3*4)+(2*4)+(1*3)=126
126 % 10 = 6
So 81194-43-6 is a valid CAS Registry Number.

81194-43-6Relevant articles and documents

Reductive Alkylation/Arylation of Arylcarbinols and Ketones with Organosilicon Compounds

Cella, J. A.

, p. 2125 - 2130 (2007/10/02)

Arylcarbinols react with certain organosilanes in the presence of boron trifluoride to yield hydrocarbons resulting from transfer of an R group from silicon to carbon.The transfer works well with aryl- and allylsilanes and fails with alkylsilanes.Allylation of ionizable carbinols is sometimes accompanied by cation-mediated oligomerization.This can be offset by converting the carbinols in question to their respective allyldimethylsilyl ethers followed by rearrangement of the ethers with BF3.While diaryl ketones are sluggishly bisallylated, the corresponding ketals undergo smooth bisallylation at 0 deg C with allytrimethylsilane/BF3/CH2Cl2.

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