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21817-50-5

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21817-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21817-50-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,1 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21817-50:
(7*2)+(6*1)+(5*8)+(4*1)+(3*7)+(2*5)+(1*0)=95
95 % 10 = 5
So 21817-50-5 is a valid CAS Registry Number.

21817-50-5Downstream Products

21817-50-5Relevant articles and documents

P-tert-Butylcalix[8]arene catalysed synthesis of 3,5-dinitrothiophene scaffolds: Antiproliferative effect of some representative compounds on selective anticancer cell lines

Sarkar, Piyali,Maiti, Samares,Ghosh, Krishnendu,Sengupta, Sumita,Butcher, Ray J.,Mukhopadhyay, Chhanda

supporting information, p. 996 - 1001 (2014/02/14)

A new efficient protocol for the synthesis of 3,5-dinitrothiophene scaffolds was developed by using simple p-tert-butylcalix[8]arene in aqueous medium. Biological activities of some representative compounds were also studied to inhibit the cell growth on selective anticancer cell lines.

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