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148875-99-4

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148875-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148875-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,7 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 148875-99:
(8*1)+(7*4)+(6*8)+(5*8)+(4*7)+(3*5)+(2*9)+(1*9)=194
194 % 10 = 4
So 148875-99-4 is a valid CAS Registry Number.

148875-99-4Downstream Products

148875-99-4Relevant articles and documents

Lewis acid mediated one-pot synthesis of aryl/heteroaryl-fused carbazoles involving a cascade Friedel-Crafts alkylation/electrocyclization/aromatization reaction sequence

Sureshbabu, Radhakrishnan,Saravanan, Velu,Dhayalan, Vasudevan,Mohanakrishnan, Arasambattu K.

, p. 922 - 935 (2011/04/22)

A Lewis-acid-mediated domino reaction of 2/3-(bromomethyl)indoles with arenes/heteroarenes led to the formation of the corresponding annulated carbazoles. This three-step one-pot transformation proceeds by sequential Lewis acid catalysed Friedel-Crafts alkylation, electrocyclization and aromatization reactions. The strategy is highly efficient for the assembly of complex aryl/heteroaryl-fused carbazoles.

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