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2638-15-5

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2638-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2638-15-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,3 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2638-15:
(6*2)+(5*6)+(4*3)+(3*8)+(2*1)+(1*5)=85
85 % 10 = 5
So 2638-15-5 is a valid CAS Registry Number.

2638-15-5Relevant articles and documents

Synthesis of Psoralidin derivatives and their anticancer activity: First synthesis of Lespeflorin I1

Pahari, Pallab,Saikia, Ujwal Pratim,Das, Trinath Prasad,Damodaran, Chendil,Rohr, Jürgen

, p. 3324 - 3334 (2016/05/19)

Synthetic scheme for the preparation of a number of different derivatives of anticancer natural product Psoralidin is described. A convergent synthetic approach is followed using simple starting materials like substituted phenyl acetic esters and benzoic acids. The developed synthetic route leads us to complete the first synthesis of an analogous natural product Lespeflorin I1, a mild melanin synthesis inhibitor. Preliminary bioactivity studies of the synthesized compounds are carried out against two commonly used prostate cancer cell lines. Results show that the bioactivity of the compounds can be manipulated by the simple modification of the functional groups.

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