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4-Benzenesulfonyl-5-chloro-cycloheptanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

160856-91-7

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160856-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160856-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,8,5 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 160856-91:
(8*1)+(7*6)+(6*0)+(5*8)+(4*5)+(3*6)+(2*9)+(1*1)=147
147 % 10 = 7
So 160856-91-7 is a valid CAS Registry Number.

160856-91-7Relevant academic research and scientific papers

A simple and flexible synthesis of pyrroles from α,β-unsaturated sulfones

Abel, Yvonne,Haake, Elmar,Haake, Gerold,Schmidt, Wolfgang,Struve, Daria,Walter, Andreas,Montforts, Franz-Peter

, p. 1978 - 1996 (2007/10/03)

The addition of alkyl isocyanoacetates and isocyanoacetonitrile to α,β-unsaturated sulfones affords a convenient and broad access to pyrroles with unusual substitution patterns (see Scheme 2). The α,β-unsaturated sulfones required as starting materials ar

A Useful Preparation of Pyrroles from α,β-unsaturated Sulfones

Haake, Gerold,Struve, Daria,Montforts, Franz-Peter

, p. 9703 - 9704 (2007/10/02)

The addition of alkyl isocyanoacetate to α,β-unsaturated sulfones, which are easily obtained from olefins, affords a convenient access to pyrroles with unusual substitution patterns.

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