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tetramethyl 1-(2,4-dichlorophenyl)ethane-1,1-diphosphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140649-95-2

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140649-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140649-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,4 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 140649-95:
(8*1)+(7*4)+(6*0)+(5*6)+(4*4)+(3*9)+(2*9)+(1*5)=132
132 % 10 = 2
So 140649-95-2 is a valid CAS Registry Number.

140649-95-2Downstream Products

140649-95-2Relevant academic research and scientific papers

Novel Quasiphosphonium Ylides from the Reaction of Trialkyl Phosphites with Dialkyl Benzoylphosphonates: Evidence for Carbene Intermediates in the Intramolecular Cyclisation of 2-Substituted Dialkyl Benzoylphosphonates

Griffiths, D. Vaughan,Griffiths, Penelope A.,Whitehead, Belinda J.,Tebby, John C.

, p. 479 - 484 (2007/10/02)

The reaction of dialkyl aroylphosphonates 1 with trialkyl phosphites leads to the formation of novel quasiphosphonium ylides 4 which in some cases thermally rearrange to the bisphosphonates 5. 2-Substituted dialkyl aroylphosphonates may also undergo intra

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