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183017-44-9

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183017-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183017-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,0,1 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 183017-44:
(8*1)+(7*8)+(6*3)+(5*0)+(4*1)+(3*7)+(2*4)+(1*4)=119
119 % 10 = 9
So 183017-44-9 is a valid CAS Registry Number.

183017-44-9Downstream Products

183017-44-9Relevant academic research and scientific papers

Pyrrolo- and thiophenoperylenedicarboximides - Highly fluorescent heterocycles

Langhals, Heinz,Feiler, Leonhard

, p. 1587 - 1591 (1996)

Pyrrolo- and thiophenoperylenedicarboximides 4 and 7 were prepared by reductive cyclization of 1-nitroperylenedicarboximides 3 and 5 with phosphorous acid esters and sulfur, respectively. The imides 4 and 7 are highly fluorescent and are easily monofunctionalized by nucleophilic substitution reactions which makes them useful for fluorescent labeling. VCH Verlagsgesellschaft mbH, 1996.

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