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1537881-57-4

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1537881-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1537881-57-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,7,8,8 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1537881-57:
(9*1)+(8*5)+(7*3)+(6*7)+(5*8)+(4*8)+(3*1)+(2*5)+(1*7)=204
204 % 10 = 4
So 1537881-57-4 is a valid CAS Registry Number.

1537881-57-4Downstream Products

1537881-57-4Relevant articles and documents

SUBSTITUTED FLUORANTHENE-7-CARBONITRILES AS FLUORESCENT DYES FOR CELL IMAGING APPLICATIONS

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Page/Page column 17, (2014/10/03)

The present invention relates to novel donor-acceptor fluoranthenes of the general formula I which can be used potentially in developing fluorescent probes, and a process of preparing said novel compounds. More particularly, the present invention relates to amine or alkoxy group as donor and nitrile group as an acceptor attached to the fluoranthene skeleton, processes for preparing the said compounds and their uses as fluorescent probes in chemical and biological sciences such as cell imaging applications, diagnostics, fluorescent tags and other useful applications. The compounds are prepared by reacting 2H-pyran-2-ones in isolated or rigid conformations with cyclic ketones containing methylene carbonyl moiety in the presence of a base in an organic solvent.

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