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138769-97-8

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138769-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138769-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,6 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138769-97:
(8*1)+(7*3)+(6*8)+(5*7)+(4*6)+(3*9)+(2*9)+(1*7)=188
188 % 10 = 8
So 138769-97-8 is a valid CAS Registry Number.

138769-97-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (1S,2S)-1,2-dihydroxy-3-methylsulfanylcyclohexa-3,5-diene

1.2 Other means of identification

Product number -
Other names (1S,2S)-3-(methylsulfanyl)cyclohexa-4,6-diene-1,2-diol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:138769-97-8 SDS

138769-97-8Relevant articles and documents

Toluene dioxygenase-mediated oxidation of bromo(methylsulfanyl)benzenes. Absolute configuration of metabolites and evaluation of chemo- and regioselectivity trends

Finn, Kevin J.,Pavlyuk, Oksana,Hudlicky, Tomas

, p. 1709 - 1726 (2007/10/03)

A series of 2-, 3-, and 4-bromo-1-(methylsulfanyl)benzenes was subjected to whole-cell fermentation with Escherichia coli JM 109 (pDTG601), a recombinant strain that expresses toluene dioxygenase. New metabolites were isolated and their structure and abso

Enzymatic oxidation of thioanisoles: Isolation and absolute configuration of metabolites

Finn, Kevin J.,Cankar, Petr,Jones, Timothy R.B.,Hudlicky, Tomas

, p. 2833 - 2836 (2007/10/03)

Oxidation of p-bromothioanisole with toluene dioxygenase provides the corresponding diene diol 2 in good yield. Electrochemical reduction of 2 gives access to diene diol 3, which is not accessible by direct bio-oxidation of thioanisole. Absolute configura

Toluene and naphthalene dioxygenase-catalysed sulfoxidation of alkyl aryl sulfides

Boyd, Derek R.,Sharma, Narain D.,Haughey, Simon A.,Kennedy, Martina A.,McMurray, Brian T.,Sheldrake, Gary N.,Allen, Christopher C. R.,Dalton, Howard,Sproule, Kenneth

, p. 1929 - 1933 (2007/10/03)

A series of alkyl aryl sulfides were metabolised, using selected strains of the soil bacterium Pseudomonas putida containing either toluene dioxygenase (TDO) or naphthalene dioxygenase (NDO), to give chiral sulfoxides. Alkyl aryl sulfoxides 2a-2k, 4a-4j and 4l, having enantiomeric excess (ee) values of >90%, were obtained by use of the appropriate strain of P. putida (UV4 or NCIMB 8859). Enantiocomplementarity was observed for the formation of sulfoxides 2a, 2b, 2d, 2j, 4a, 4b and 4d, with TDO-catalysed (UV4) oxidation favouring the (R) enantiomer and NDO-catalysed oxidation (NCIMB 8859) the (S) enantiomer. Evidence of involvement of the TDO enzyme was obtained using a recombinant strain of Escherichia coli (pKST 11). The marked degree of stereoselectivity appears to be mainly due to enzyme-catalysed asymmetric sulfoxidation, however the possibility of a minor contribution from kinetic resolution, in some cases, cannot be excluded.

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