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1352037-95-6

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1352037-95-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1352037-95-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,2,0,3 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1352037-95:
(9*1)+(8*3)+(7*5)+(6*2)+(5*0)+(4*3)+(3*7)+(2*9)+(1*5)=136
136 % 10 = 6
So 1352037-95-6 is a valid CAS Registry Number.

1352037-95-6Downstream Products

1352037-95-6Relevant articles and documents

Synthesis of novel 1,7-naphthyridines by Friedlaender condensation of pyridine substrates

Stockmann, Vegar,Fiksdahl, Anne

, p. 1383 - 1387 (2011)

The general ability of appropriate pyridyl compounds (aldehyde or ketone) to undergo Friedlaender condensation to give different 1,7-naphthyridines has been demonstrated. 2,4-Disubstituted 1,7-naphthyridine 8 was prepared from 3-amino-4-acetylpyridine (6) and ketone 4 (82%). The Friedlaender self-condensation of pyridyl substrate 6 is reported, as well. The dimer product, 2-(3-aminopyridin-4-yl)-4-methyl-1,7-naphthyridine (7), was obtained in 97% yield. 2-Aryl-and 2,3-diaryl-1,7-naphthyridines (16-18) were prepared from 3-aminoisonicotinaldehyde (13) and arylketones 4, 14, and 15 (28-71%). The key substrates 6 and 13 are readily available via the improved pyridine nitration method. Copyright

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