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27210-67-9

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27210-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27210-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,1 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27210-67:
(7*2)+(6*7)+(5*2)+(4*1)+(3*0)+(2*6)+(1*7)=89
89 % 10 = 9
So 27210-67-9 is a valid CAS Registry Number.

27210-67-9Downstream Products

27210-67-9Relevant articles and documents

Aromatic Nucleophilic Substitution Reactions of 1-Dialkylamino-2,4-dinitronaphthalene with Primary or Secondary Amines in Organic Solvents: Facile Amine-Amine Exchange

Sekiguchi, Shizen,Horie, Tohru,Suzuki, Tohru

, p. 698 - 700 (2007/10/02)

The dialkylamino group, (e.g., dimethyl-, diethyl-, and N-n-butyl-N-methylamino, piperidino, and pyrrolidino) of 1-dialkylamino-2,4-dinitronaphthalenes is rapidly replaced by primary amines, particulary in dimethyl sulphoxide; however, substitution does not occur for secondary amines except in the case of pyrrolidine.

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