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39938-31-3

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39938-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39938-31-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,3 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39938-31:
(7*3)+(6*9)+(5*9)+(4*3)+(3*8)+(2*3)+(1*1)=163
163 % 10 = 3
So 39938-31-3 is a valid CAS Registry Number.

39938-31-3Downstream Products

39938-31-3Relevant articles and documents

PIFA-Mediated Synthesis of Acylsulfenic Acid Alkyl Esters and Benzoyl Alkyl Disulfides from Thioacids

Tsai, Chia-Hsuan,Reddy, Daggula Mallikarjuna,Hsieh, Ping-An,Liu, Yi-Chen,Kandasamy, Mohanraj,Lin, Wei-Yu,Lee, Chin-Fa

, p. 4459 - 4464 (2016)

A simple and convenient approach for the synthesis of acylsulfenic acid alkyl esters and benzoyl alkyl disulfides from thiobenzoic acids is described. This reaction uses commercially available [bis(trifluoroacetoxy)iodo]benzene (PIFA) as an oxidant under mild reaction conditions.

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