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144434-80-0

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144434-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144434-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,4,3 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 144434-80:
(8*1)+(7*4)+(6*4)+(5*4)+(4*3)+(3*4)+(2*8)+(1*0)=120
120 % 10 = 0
So 144434-80-0 is a valid CAS Registry Number.

144434-80-0Upstream product

144434-80-0Downstream Products

144434-80-0Relevant articles and documents

A new method for bromination of carbazoles, β-carbolines and iminodibenzyls by use of N-bromosuccinimide and silica gel

Smith, Keith,Martin James,Mistry, Anil G.,Bye, Martin R.,John Faulkner

, p. 7479 - 7488 (1992)

Carbazole, N-ethylcarbazole, iminodibenzyl (10,11-dihydro-5H-dibenz[b,f]azepine), N-ethyliminodibenzyl and imipramine are readily mono-, di- or polybrominated in high yields at ambient temperature in dichloromethane by use of the appropriate quantity of N-bromosuccinimide in the presence of silica gel. By contrast, the brominations of the β-carbolines, harmane and norharman, are less selective and give mixtures of products, some of which have unusual substitution patterns.

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