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18999-70-7

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18999-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18999-70-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,9 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18999-70:
(7*1)+(6*8)+(5*9)+(4*9)+(3*9)+(2*7)+(1*0)=177
177 % 10 = 7
So 18999-70-7 is a valid CAS Registry Number.

18999-70-7Downstream Products

18999-70-7Relevant articles and documents

Chemical models of cytochrome P450 catalyzed insecticide metabolism. Application to the oxidative metabolism of carbamate insecticides

Keserue, Gyoergy M.,Balogh, Gyoergy,Czudor, Iren,Karancsi, Tamas,Feher, Andras,Bertok, Bela

, p. 762 - 769 (2007/10/03)

Cytochrome P450 (CP450) catalyzed oxidative metabolism of carbofuran (1), carbaryl (2), and pirimicarb (3) has been modeled using biomimetic oxidations catalyzed by iron(III) tetraarylporphyrins. Oxidation products of 1 were identified by comparison of HPLC retention times measured under standardized conditions for metabolites synthesized and characterized by 1H and 13C NMR spectroscopy. Comparison of product distributions to in vivo metabolic profiles revealed that the H2O2/meso- tetrakis(pentafluorophenyl)porphyrin iron(III) chloride [Fe(TF20PP)] system mimics the action of insect CP450s against carbofuran. The effectiveness of this system was further demonstrated by the biomimetic oxidation of other carbamate insecticides (2 and 3) monitored by HPLC/electrospray MS. The predictive power of this biomimetic model was compared to that of knowledgebased expert systems. Although similar models were recently applied in pharmaceutical research, the usefulness of this approach has first been demonstrated for the prediction of metabolic profiles of agrochemicals.

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