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189880-63-5

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189880-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189880-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,8 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 189880-63:
(8*1)+(7*8)+(6*9)+(5*8)+(4*8)+(3*0)+(2*6)+(1*3)=205
205 % 10 = 5
So 189880-63-5 is a valid CAS Registry Number.

189880-63-5Downstream Products

189880-63-5Relevant articles and documents

Syntheses of oxidized metabolites implicated as active forms of the highly potent carcinogenic hydrocarbon dibenzo[def,p]chrysene

Zhang,Harvey

, p. 625 - 636 (1999)

Polycyclic aromatic hydrocarbons (PAHs) are an important class of environmental carcinogens, and dibenzo[def,p]chrysene is the most potent carcinogenic PAH currently known. Syntheses of various oxidized metabolites of dibenzo[def,p]chrysene implicated as the biologically active forms that interact directly or indirectly with DNA to induce mutations that lead to tumor induction are reported. These include the 8,9- and 11,12-dihydrodiols (2 and 3), the 8,9,11,12-bis-dihydrodiol (5), and the fjord region anti-diol epoxide derivative of 3 (4).

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