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646502-91-2

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646502-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 646502-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,5,0 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 646502-91:
(8*6)+(7*4)+(6*6)+(5*5)+(4*0)+(3*2)+(2*9)+(1*1)=162
162 % 10 = 2
So 646502-91-2 is a valid CAS Registry Number.

646502-91-2Downstream Products

646502-91-2Relevant articles and documents

Synthesis of substituted indoles and carbazoles from 2-fluorophenyl imines

Kudzma, Linas V.

, p. 1661 - 1666 (2007/10/03)

The synthesis of a series of indole and carbazole derivatives from 2-fluorophenyl imines is reported. 2-Fluoroaniline-d4 (13) is prepared and used to investigate the mechanism of this indolization. 2-Fluorophenyl enaminone 17 gives the synthetically useful carbazole 20 via a similar indolization and in situ alkylation.

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