123558-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123558-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,5 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123558-57:
(8*1)+(7*2)+(6*3)+(5*5)+(4*5)+(3*8)+(2*5)+(1*7)=126
126 % 10 = 6
So 123558-57-6 is a valid CAS Registry Number.
123558-57-6Relevant articles and documents
THE SYNTHESIS OF 1,2-BIS(PHENYLSULFONYL)CYCLOALKENES
Herbert, Kathleen A.,Banwell, Martin G.
, p. 327 - 338 (2007/10/02)
Reaction of the 2-(phenylthio)cycloalkanones 11-13 with thiophenol and chlorotrimethylsilane afforded the 1,2-bis(phenylthio)cycloalkenes 8-10 together with the corresponding 2,3-isomers 15-17 respectively.Treatment of compounds 7-10 with hydrogen peroxid
