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111098-30-7

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111098-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111098-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,0,9 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 111098-30:
(8*1)+(7*1)+(6*1)+(5*0)+(4*9)+(3*8)+(2*3)+(1*0)=87
87 % 10 = 7
So 111098-30-7 is a valid CAS Registry Number.

111098-30-7Relevant articles and documents

Conversions of 2-aminopyridines into 5-substituted derivatives mediated by 1-hydroxymethylbenzotriazole

Katritzky, Alan R.,El-Zemity, Saad,Lang, Hengyuan

, p. 3129 - 3134 (2007/10/03)

2-Aminopyridines are benzotriazolylmethylated at the 5-position by 1-hydroxymethylbenzotriazole.The methylene group of 2-amino-5-(benzotriazolylmethyl)pyridines 6 can be mono- or di-lithaited and subsequently substituted by various electrophiles.The benzo

The Chemistry of Benzotriazole. Part 3. The Aminoalkylation of Benzotriazole

Katritzky, Alan R.,Rachwal, Stanislaw,Rachwal, Bogumila

, p. 799 - 804 (2007/10/02)

1-(1-Hydroxyalkyl)benzotriazoles convert a wide variety of aromatic and heteroaromatic primary amines into their mono N- derivatives in high yield.Aliphatic primary amines frequently give bis-derivatives.Product structure is established by 13C n.m.r.; dangers in the use of 1H n.m.r. to distinguish 1- and 2-substituted benzotriazoles are pointed out.

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