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874634-51-2

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874634-51-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874634-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,6,3 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 874634-51:
(8*8)+(7*7)+(6*4)+(5*6)+(4*3)+(3*4)+(2*5)+(1*1)=202
202 % 10 = 2
So 874634-51-2 is a valid CAS Registry Number.

874634-51-2Upstream product

874634-51-2Downstream Products

874634-51-2Relevant articles and documents

Electrochemical fluorination of several esters derived from oxolane-2-yl-carboxylic acid, oxolane-2-yl-methanol and oxane-2-yl-methanol

Abe, Takashi,Tamura, Masanori,Sekiya, Akira

, p. 325 - 332 (2005)

Electrochemical fluorination (ECF) of the ester derivatives of oxolane-2-yl-carboxylic acid (1), oxolane-2-yl-methanol (2) and oxane-2-yl-methanol (3) were investigated. Perfluoro(oxolane-2-yl- carbonylfluoride) (4) was obtained from derivatives of 1 and 2, and perfluoro(oxane-2-yl-carbonylfluoride) (5) was obtained from derivatives of 3 as the desired compounds, respectively. From the ECF of acetates of 2 and 3, perfluorospiroethers having a dioxolane ring were also obtained as the cyclization product in low yield together with the desired perfluoroacid fluoride (4 and 5). The structure of these perfluorospiroethers was confirmed by analyzing the chlorinated products, which were obtained by the reaction with AlCl3.

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