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272775-26-5

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272775-26-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 272775-26-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,2,7,7 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 272775-26:
(8*2)+(7*7)+(6*2)+(5*7)+(4*7)+(3*5)+(2*2)+(1*6)=165
165 % 10 = 5
So 272775-26-5 is a valid CAS Registry Number.

272775-26-5Downstream Products

272775-26-5Relevant articles and documents

Synthetic approaches towards benzo[h]quinoline-3-carbonitriles

Mishriky, Nawal,Ibrahim,Girgis,Fawzy

, p. 269 - 272 (2007/10/03)

2-Alkoxybenzo[h]quinoline-3-carbonitriles 2 were readily synthesized via Dimroth rearrangement of 2-amino-4-aryl-5,6-dihydro-4H-naphtho[1,2-b]pyran-3- carbonitriles 5 induced by ethanolic and methanolic KOH. Compounds 2 were also obtained by the reaction of 2-arylmethylidene-3,4-dihydro-1(2H)- naphthalenones 1 with malononitrile or of ylidenemalononitriles 4 with 1,2,3,4-tetrahydro-1-naphthalenone in ethanolic and methanolic KOH. The molluscicidal activity of the products towards Biomphalaria alexandrina snails was screened.

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