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131588-84-6

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131588-84-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131588-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,8 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131588-84:
(8*1)+(7*3)+(6*1)+(5*5)+(4*8)+(3*8)+(2*8)+(1*4)=136
136 % 10 = 6
So 131588-84-6 is a valid CAS Registry Number.

131588-84-6Relevant articles and documents

Hochsubstituierte Cyclopentadiene mit Arylthio- und Arylsulfonyl-Gruppen

Hartke, Klaus,Lee, Kyung-Hee,Massa, Werner,Schwarz, Birgit

, p. 243 - 251 (2007/10/02)

Cyclopentadienes 1 react with diaryl disulfides 2 to form the tetrakis(arylthio)cyclopentadienides 3, which have been oxidized with m-chloroperbenzoic acid to give the tetrakis(arylsulfonyl)cyclopentadienides 5.Protonation of 5 yields the tetrakis(arylsul

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