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1431659-81-2

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1431659-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1431659-81-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,6,5 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1431659-81:
(9*1)+(8*4)+(7*3)+(6*1)+(5*6)+(4*5)+(3*9)+(2*8)+(1*1)=162
162 % 10 = 2
So 1431659-81-2 is a valid CAS Registry Number.

1431659-81-2Downstream Products

1431659-81-2Relevant articles and documents

Synthesis of 2-amino-imidazo[4,5-b]pyridines

Rosenberg, Adam J.,Williams, Theresa M.,Jordan, Abraham J.,Clark, Daniel A.

, p. 3064 - 3072 (2013/07/25)

The C2 amination of imidazo[4,5-b]pyridines was accomplished through C2 halogenation followed by substitution (SNAr) with functionalized primary and secondary amines. This regioselective sequence is operationally simple and provides an easy access to derivatives of protected imidazo[4,5-b]pyridines. The Royal Society of Chemistry 2013.

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