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5,5-dimethyl-N-nitrosothiazolidine-4-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

943250-59-7

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943250-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 943250-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,2,5 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 943250-59:
(8*9)+(7*4)+(6*3)+(5*2)+(4*5)+(3*0)+(2*5)+(1*9)=167
167 % 10 = 7
So 943250-59-7 is a valid CAS Registry Number.

943250-59-7Downstream Products

943250-59-7Relevant academic research and scientific papers

Chemistry of diazafulvenium methides in the synthesis of functionalized pyrazoles

Pinho E Melo, Teresa M. V. D.,Nunes, Claudio M.,Soares, Maria I. L.,Paixao, Jose A.,Beja, Ana Matos,Silva, Manuela Ramos

, p. 4406 - 4415 (2007)

(Chemical Equation Presented) The chemistry of diazafulvenium methides generated by the thermal extrusion of sulfur dioxide from 2,2-dioxo-1H,3H- pyrazolo[1,5-c] [1,3]thiazoles is described. The diazafulvenium methides unsubstituted at C-7 participate in [8π + 2π] cycloadditions giving pyrazolo-annulated heterocycles resulting from the addition across the 1,7-position. 1-Mefhyl-diazafulvenium methides and 7,7-dimethyl-diazafulvenium methides undergo intramolecular sigmatropic [1,8]H shifts giving vinyl- 1H-pyrazoles.

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