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1,4-Naphthalenedione, 5-methoxy-2-[(4-methylphenyl)sulfinyl]-, (S)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

134281-85-9

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134281-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134281-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,8 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134281-85:
(8*1)+(7*3)+(6*4)+(5*2)+(4*8)+(3*1)+(2*8)+(1*5)=119
119 % 10 = 9
So 134281-85-9 is a valid CAS Registry Number.

134281-85-9Downstream Products

134281-85-9Relevant academic research and scientific papers

Synthesis of Optically Active p-Tolylsulfinylquinones

Carreno, M. Carmen,Ruano, Jose L. Garcia,Urbano, Antonio

, p. 651 - 653 (2007/10/02)

The title compounds 3a-e were prepared in only two steps from 1,4-dimethoxyaromatic precursors 1a-e by sulfinylation followed by oxidation with ammonium cerium(IV) nitrate.

GENERAL SYNTHESIS OF CHIRAL 2-P-TOLYLSULFINYLQUINONES

Carreno, M. Carmen,Ruano, Jose L. Garcia,Mata, Jose M.,Urbano, Antonio

, p. 605 - 614 (2007/10/02)

Optically pure (S)-p-tolylsulfinyl substituted quinones were synthesized by deketalization of the corresponding quinone bisketals obtained by Andersen's type synthesis starting from 2-bromo-1,4-dimethoxy aromatic derivatives, followed by anodic oxidation

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