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118888-14-5

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118888-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118888-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,8 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 118888-14:
(8*1)+(7*1)+(6*8)+(5*8)+(4*8)+(3*8)+(2*1)+(1*4)=165
165 % 10 = 5
So 118888-14-5 is a valid CAS Registry Number.

118888-14-5Downstream Products

118888-14-5Relevant articles and documents

The Friedel-Crafts Type Methanesulfonylation of Deactivated Benzenes

Ono, Mitsunori,Nakamura, Yoshisada,Sato, Shingo,Itoh, Isamu

, p. 395 - 398 (2007/10/02)

The participation of nonionic donor-acceptor complex was suggested by the analyses of product isolated in the Friedel-Crafts reaction of m-dichlorobenzene with CH3SO2Cl in the presence of AlCl3.On the basis of these observations a new practical method of methanesulfonylation of deactivated benzenes employing methanesulfonic anhydride and CF3SO3H was developed.

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