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187156-08-7

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187156-08-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187156-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,1,5 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 187156-08:
(8*1)+(7*8)+(6*7)+(5*1)+(4*5)+(3*6)+(2*0)+(1*8)=157
157 % 10 = 7
So 187156-08-7 is a valid CAS Registry Number.

187156-08-7Relevant articles and documents

Synthesis of 10-Amino-1,2,3,4-tetrahydrobenzo[b][1,6]-naphthyridines and Related Derivatives

Gatta, Franco,Del Giudice, Maria Rosaria,Mustazza, Carlo

, p. 1807 - 1813 (2007/10/03)

This paper describes the synthesis of some 10-amino-1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridines and of the new 13-amino-6,6a,7,8,9,10-hexahydro-12H-benzo[b]pyrido[1,2-g][1,6]naphthyridines starting from isatins and 4-piperidones or quinolizidin-2-one.

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