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120998-66-5

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120998-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120998-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,9,9 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120998-66:
(8*1)+(7*2)+(6*0)+(5*9)+(4*9)+(3*8)+(2*6)+(1*6)=145
145 % 10 = 5
So 120998-66-5 is a valid CAS Registry Number.

120998-66-5Downstream Products

120998-66-5Relevant articles and documents

Eco-friendly and facile synthesis of 2-substituted-1H-imidazo[4,5-b]pyridine in aqueous medium by air oxidation

Kale, Rajesh P.,Shaikh, Mohammad U.,Jadhav, Ganesh R.,Gill, Charansingh H.

, p. 1780 - 1782 (2009)

We report a new environmentally-benign, convenient, and facile methodology for the synthesis of 2-substituted-1H-imidazo[4,5-b]pyridine. The reaction of 2,3-diaminopyridine with substituted aryl aldehydes in water under thermal conditions without the use

Structure and reactions of monoanils obtained from 2,3-pyridinediamines

Dubey,Kulkarni,Vinod Kumar

, p. 361 - 367 (2007/10/03)

The reaction of 2,3-pyridinediamines 1 with aromatic aldehydes results in the formation of 2-amino-3-arylideneaminopyridines 2 respectively. Dehydrogenative cyclisation of 2 with different reagents give 2-aryl-1H-imidazo[4,5-b]pyridines 4. Reactions of 2 with different reagents have been described.

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