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1013933-93-1

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1013933-93-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1013933-93-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,3,9,3 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1013933-93:
(9*1)+(8*0)+(7*1)+(6*3)+(5*9)+(4*3)+(3*3)+(2*9)+(1*3)=121
121 % 10 = 1
So 1013933-93-1 is a valid CAS Registry Number.

1013933-93-1Relevant articles and documents

Design and synthesis of C-ring lactone- and lactam-based podophyllotoxin analogues as anticancer agents

Singh, Pragya,Faridi, Uzma,Srivastava, Suchita,Kumar, Jonnala Kotesh,Darokar, Mahender Pandurang,Luqman, Suaib,Shanker, Karuna,Chanotiya, Chandan Singh,Gupta, Atul,Gupta, Madan Mohan,Negi, Arvind Singh

experimental part, p. 242 - 246 (2010/08/04)

A series of novel podophyllotoxin (PDT) analogues was synthesized in which the lactone moiety was shifted to C ring. Some of the derivatives were also synthesized with modified A ring. Analogues 23 and 25 exhibited potent in vitro cytotoxicity against colon cancer (CaCO2) cell line. p-Demethylated E-ring analogues exhibited better potency than the corresponding methylated analogues. These analogues showed toxicity comparable to PDT against human erythrocytes albeit at much higher concentrations (100 μg/ml) than their cytotoxicity values.

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