Cas 1219024-61-9,2-[2-(diphenylmethylene)hydrazino]-5-methoxybenzonitrile

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Check Digit Verification of cas no

The CAS Registry Mumber 1219024-61-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,0,2 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1219024-61:
(9*1)+(8*2)+(7*1)+(6*9)+(5*0)+(4*2)+(3*4)+(2*6)+(1*1)=119
119 % 10 = 9
So 1219024-61-9 is a valid CAS Registry Number.

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1219024-61-9Downstream Products

58514-96-8 5-(methyloxy)-1H-indazol-3-amine

1219024-61-9Relevant articles and documents

Two-step synthesis of substituted 3-aminoindazoles from 2-bromobenzonitriles

Lefebvre, Valerie,Cailly, Thomas,Fabis, Frederic,Rault, Sylvain

supporting information; experimental part, p. 2730 - 2732 (2010/07/08)

A general two-step synthesis of substituted 3-aminoindazoles from 2-bromobenzonitriles involving a palladium-catalyzed arylation of benzophenone hydrazone followed by an acidic deprotection/cyclization sequence is described. This procedure offers a general and efficient alternative to the typical S NAr reaction of hydrazine with o-fluorobenzonitriles.

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1219024-61-9