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118217-64-4

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118217-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118217-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,2,1 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 118217-64:
(8*1)+(7*1)+(6*8)+(5*2)+(4*1)+(3*7)+(2*6)+(1*4)=114
114 % 10 = 4
So 118217-64-4 is a valid CAS Registry Number.

118217-64-4Downstream Products

118217-64-4Relevant articles and documents

NOVEL ALPHA-FLUOROMETHOXYCARBOXYLIC ESTER, PROCESS FOR PRODUCING THE ALPHA-FLUOROMETHOXYCARBOXYLIC ESTER, AND PROCESS FOR PRODUCING SEVOFLURANE

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Page/Page column 4-5, (2010/02/17)

The present invention provides a novel α-fluoromethoxycarboxylic ester represented by Formula (1): (CF3)2C(OCH2F)COOR wherein R is a hydrocarbon group that may have a substituent; a process for producing 1,1,1,3,3,3-hexafluoroisopropyl fluoromethyl ether, the process including hydrolyzing and decarboxylating the α-fluoromethoxycarboxylic ester; and a process for producing an α-fluoromethoxycarboxylic ester represented by Formula (1): (CF3)2C (OCH2F)COOR, the process including reacting an α-hydroxycarboxylic ester represented by Formula (2): (CF3)2C(OH)COOR with a halofluoromethane in the presence of an alkaline compound. According to the present invention, 1,1,1,3,3,3-hexafluoroisopropyl fluoromethyl ether (sevoflurane), which is known as an anesthetic compound, can be efficiently produced at low cost.

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