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1256246-82-8

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1256246-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256246-82-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,4 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1256246-82:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*4)+(3*6)+(2*8)+(1*2)=158
158 % 10 = 8
So 1256246-82-8 is a valid CAS Registry Number.

1256246-82-8Downstream Products

1256246-82-8Relevant articles and documents

Synthesis of poly(pyridazinoquinazolones)

Ponomarev,Razorenov,Petrovskii

, p. 2376 - 2384 (2014/05/06)

A model reaction of 2-alkyl-3-aminoquinazolones with α-dicarbonyl compounds benzil and its 4,4′-derivatives, acenaphthenequinone and isatin was studied for the first time. The reaction proceeded in pentafluorophenol and led to the formation of new heterocyclic systems. This approach was used in the synthesis of new thermostable polyheteroarylenes with fluorescent properties, viz., poly(pyridazinoquinazolones).

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