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142742-42-5

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142742-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142742-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,4 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142742-42:
(8*1)+(7*4)+(6*2)+(5*7)+(4*4)+(3*2)+(2*4)+(1*2)=115
115 % 10 = 5
So 142742-42-5 is a valid CAS Registry Number.

142742-42-5Downstream Products

142742-42-5Relevant articles and documents

New Diol Metabolites Derived by Biooxidation of Chlorostyrenes with Pseudomonas putida: Determination of Absolute Stereochemistry and Enantiomeric Excess by Convergent Syntheses

Hudlicky, Tomas,Boros, Eric E.,Boros, Christie H.

, p. 1365 - 1386 (1993)

The three isomers of chlorostyrenes were subjected to whole cell biooxidation by means of a mutant strain of Pseudomonas putida 39D.The metabolites were isolated and their absolute stereochemistry determined by conversion to known standards derived from 1-ethenyl-2,3-dihydroxycyclohexa-4,6-diene whose absolute configuration has been previously established.The extent of ring vs side chain oxidation of the chlorostyrene isomers was evaluated and the enantiomeric excess determined for all compounds.

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