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288623-94-9

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288623-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 288623-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,6,2 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 288623-94:
(8*2)+(7*8)+(6*8)+(5*6)+(4*2)+(3*3)+(2*9)+(1*4)=189
189 % 10 = 9
So 288623-94-9 is a valid CAS Registry Number.

288623-94-9Downstream Products

288623-94-9Relevant articles and documents

Synthesis of geometrically constrained unsymmetrical bis(polyamides) related to the antiviral distamycin

Sharma, Sanjay K.,Tandon, Manju,Lown, J. William

, p. 2095 - 2103 (2007/10/03)

Analysis of the structural and stereochemical requirements for the strict DNA base-sequence recognition of (AT)4 and (AT)5, respectively, for the oligopeptide minor-groove binding agents netropsin (I) and distamycin (II) leads to proposals for the rational structure modification for altered base recognition. In this paper we report the synthesis of unsymmetrical imidazo-pyrrolo-bis(polyamides), structurally related to the natural antiviral agents distamycin, and bearing either unnatural (25-27) or natural (31-33) termini linked by a flexible or rigid linker. This is the first report of the synthesis of an imidazole-bearing structure with either dimethylaminopropyl or amidinium termini in the linked bis(polyamides).

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