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117965-89-6

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117965-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117965-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,6 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117965-89:
(8*1)+(7*1)+(6*7)+(5*9)+(4*6)+(3*5)+(2*8)+(1*9)=166
166 % 10 = 6
So 117965-89-6 is a valid CAS Registry Number.

117965-89-6Upstream product

117965-89-6Relevant academic research and scientific papers

REACTION OF SECONDARY PHOSPHINES WITH CARBON TETRACHLORIDE. SYNTHESIS OF ALKYLACYLCHLOROPHOSPHINES

Veits, Yu. A.,Neganova, E. G.,Filippov, M. V.,Borisenko, A. A.,Foss, V. L.

, p. 114 - 118 (2007/10/02)

We present a method for the synthesis of hitherto unknown chlorides of alyklacylphosphinic acids by reaction of alkylacylphosphines with carbon tetrachloride in the presence of triethylamine.We have discovered a reaction of chlorides of alkylacylphosphinic acids in which intermolecular migration of an acyl group takes place.

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