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3-Cyclohexyl-isothiochromen-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133031-57-9

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133031-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133031-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,3 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133031-57:
(8*1)+(7*3)+(6*3)+(5*0)+(4*3)+(3*1)+(2*5)+(1*7)=79
79 % 10 = 9
So 133031-57-9 is a valid CAS Registry Number.

133031-57-9Downstream Products

133031-57-9Relevant academic research and scientific papers

A new and concise synthesis of 3-aryl- and 3-alkyl-1H-2-benzothiopyran-1-ones (Thioisocoumarins)

Couture,Cornet,Grandclaudon

, p. 1133 - 1134 (1990)

3-Aryl-and 3-alkyl-1H-2-benzothiopyran-1-ones are readily accessible by reaction of the lithiated N,N-diethyl-o-toluamide (N,N-diethyl-2-methylbenzenecarboxamide) with appropriate aromatic, heteroaromatic and aliphatic thioesters.

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