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142078-31-7

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142078-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142078-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,7 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142078-31:
(8*1)+(7*4)+(6*2)+(5*0)+(4*7)+(3*8)+(2*3)+(1*1)=107
107 % 10 = 7
So 142078-31-7 is a valid CAS Registry Number.

142078-31-7Relevant articles and documents

Synthesis of Pyrrolopyridines (Azaindoles)

Mahadevan,Indumathy,Rasmussen, Malcolm

, p. 359 - 367 (2007/10/02)

Improved, convenient, and reliable routes for synthesis of 4-,5-,6-, and 7-azaindole, 7-methyl-4-azaindole, 7-methyl-6-azaindole, and the hithero unreported 7-amino-4-azaindole are described.The syntheses have been accomplished either by significant modifications to established procedures or by new methods with afford the compounds in improved yields.

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