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841205-88-7

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841205-88-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 841205-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,1,2,0 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 841205-88:
(8*8)+(7*4)+(6*1)+(5*2)+(4*0)+(3*5)+(2*8)+(1*8)=147
147 % 10 = 7
So 841205-88-7 is a valid CAS Registry Number.

841205-88-7Downstream Products

841205-88-7Relevant articles and documents

LAH aryl alkyl ether cleavage of BINOL derivatives

Kowtoniuk, Walter E.,MacFarland, Darren K.

, p. 451 - 453 (2007/10/03)

Herein we report the cleaving of aryl alkyl ethers on BINOL derivatives, using the common reducing agent LAH. The cleavage of the alkyl oxygen bond is observed when the BINOL derivative is treated with LAH, in refluxing dioxane, for 60 h. The resulting BINOL derivative can then be re-alkylated using a standard Williamson ether synthesis. The same procedure was tested on 6-hydroxy-2-naphthoic acid derivatives and cleavage was not observed, thus suggesting a chelating mechanism for the BINOL ether cleavage.

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