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3-(Toluene-2-sulfonyl)-4,5-dihydro-1H-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

94243-52-4

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94243-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94243-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,4 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94243-52:
(7*9)+(6*4)+(5*2)+(4*4)+(3*3)+(2*5)+(1*2)=134
134 % 10 = 4
So 94243-52-4 is a valid CAS Registry Number.

94243-52-4Relevant academic research and scientific papers

Synthesis and Spectral Studies of Some 3-Arylsulphonyl-2-pyrazolines

Reddy, D. Bhaskar,Reddy, D. Bhaskara,Reddy, N. Subba,Balaji, T.

, p. 983 - 985 (2007/10/02)

The cycloaddition of diazomethane to aryl vinyl sulphones in the presence of triethylamine at 0 deg C gives 3-arylsulphonyl-2-pyrazolines (2).The orientation of addition has been arrived on the basis of IR, PMR and 13C NMR spectral data.The characteristic N-H absorption of 2 and the absence of this in 1-arylsulphonyl- and 1-benzoyl-2-pyrazolines (3 and 4) together with A2B2 pattern observed for 2, 3 and 4 establish the structure of 2.

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