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98549-53-2

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98549-53-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98549-53-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98549-53:
(7*9)+(6*8)+(5*5)+(4*4)+(3*9)+(2*5)+(1*3)=192
192 % 10 = 2
So 98549-53-2 is a valid CAS Registry Number.

98549-53-2Upstream product

98549-53-2Relevant articles and documents

Synthesis and Antimetastatic Properties of Stereoisomeric Tricyclic Bis(dioxopiperazine) Analogues in a B16 Melanoma Model

Witiak, Donald T.,Trivedi, Bharat K.,Campolito, Laura B.,Zwilling, Bruce S.,Reiches, Nancy A.

, p. 1329 - 1332 (2007/10/02)

The synthesis for trans and cis tricyclic bis(dioxopiperazine)s 5 and 6 from pyrazine-2,3-dicarboxamide (7) is described.Stereoselective antimetastatic activity differences for these analogues were observed following pretreatment of B16-F10 melanoma cells in vitro.Activities for these isomers were compared with selected intermediates, and the data are discussed in relation to previous results obtained with cis- and trans-cyclopropane analogues.

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