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1309944-33-9

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1309944-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309944-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,9,4 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1309944-33:
(9*1)+(8*3)+(7*0)+(6*9)+(5*9)+(4*4)+(3*4)+(2*3)+(1*3)=169
169 % 10 = 9
So 1309944-33-9 is a valid CAS Registry Number.

1309944-33-9Downstream Products

1309944-33-9Relevant articles and documents

Synthesis of new 9-hydroxy-α- and 7-hydroxy-β-pyran naphthoquinones and cytotoxicity against cancer cell lines

Da Rocha, David R.,De Souza, Ana C. G.,Resende, Jackson A. L. C.,Santos, Wilson C.,Dos Santos, Evelyne A.,Pessoa, Claudia,De Moraes, Manoel O.,Costa-Lotufo, Leticia V.,Montenegro, Raquel C.,Ferreira, Vitor F.

, p. 4315 - 4322 (2011)

A synthetic method to obtain α- and β-pyran naphthoquinones 10 and 11 with a hydroxyl substituent on the aromatic ring was developed. Two series of α- and β-pyran naphthoquinones were obtained from the 8-hydroxy-lawsone, and their anticancer properties we

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