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83156-23-4

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83156-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83156-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,5 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83156-23:
(7*8)+(6*3)+(5*1)+(4*5)+(3*6)+(2*2)+(1*3)=124
124 % 10 = 4
So 83156-23-4 is a valid CAS Registry Number.

83156-23-4Downstream Products

83156-23-4Relevant articles and documents

QSAR on antiproliferative naphthoquinones based on a conformation- independent approach

Duchowicz, Pablo R.,Bennardi, Daniel O.,Bacelo, Daniel E.,Bonifazi, Evelyn L.,Rios-Luci, Carla,Padrón, José M.,Burton, Gerardo,Misico, Rosana I.

, p. 176 - 184 (2014/04/03)

The antiproliferative activities of a series of 36 naphthoquinone derivatives were subjected to a Quantitative Structure-Activity Relationships (QSAR) study. For this purpose a panel of four human cancer cell lines was used, namely HBL-100 (breast), HeLa (cervix), SW-1573 (non-small cell lung) and WiDr (colon). A conformation-independent representation of the chemical structure was established in order to avoid leading with the scarce experimental information on X-ray crystal structure of the drug interaction. The 1179 theoretical descriptors derived with E-Dragon and Recon software were simultaneously analyzed through linear regression models based on the Replacement Method variable subset selection technique. The established models were validated and tested through the use of external test sets of compounds, the Leave-One-Out Cross Validation method, Y-Randomization and Applicability Domain analysis.

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