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diethyl {[(3E)-1-benzyl-5-isopropyl-2-oxoindolin-3-ylidene]methyl}phophonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1267807-83-9

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1267807-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1267807-83-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,7,8,0 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1267807-83:
(9*1)+(8*2)+(7*6)+(6*7)+(5*8)+(4*0)+(3*7)+(2*8)+(1*3)=189
189 % 10 = 9
So 1267807-83-9 is a valid CAS Registry Number.

1267807-83-9Downstream Products

1267807-83-9Relevant academic research and scientific papers

Synthesis of aziridine- and oxirane-2-phosphonates spiro-fused with oxindoles

Gasperi, Tecla,Loreto, M. Antonietta,Migliorini, Antonella,Ventura, Claudia

experimental part, p. 385 - 391 (2011/02/28)

3-(Phosphorylmethylene)oxindoles have been prepared by a straightforward Horner-Wadsworth-Emmons reaction. They were treated with ethyl N-{[(4-nitrophenyl)sulfonyl]oxy}carbamate (NsONHCO2Et) in the presence of CaO to afford new aziridine-2-phos

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