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118487-15-3

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118487-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118487-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,4,8 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 118487-15:
(8*1)+(7*1)+(6*8)+(5*4)+(4*8)+(3*7)+(2*1)+(1*5)=143
143 % 10 = 3
So 118487-15-3 is a valid CAS Registry Number.

118487-15-3Downstream Products

118487-15-3Relevant articles and documents

Preparation and Reactions of Some Cyclic Orthoester Derivatives

Crich, David,Ritchie, Timothy J.

, p. 2319 - 2328 (2007/10/02)

Deprotonation of the alkoxysulphone (5) followed by quenching with diphenyl disulphide yields the dithioorthoester (6) and not the expected ketene monothioacetal (7).Attempts at orthoester exchange of (6) with decanol with a variety of reagents lead to ring opened products.Quenching of the anion derived from (5) with sulphuryl chloride or bromine leads respectively to the chloride (19) and bromide (20).Solvolysis of these halides leads to formation of sulphinate esters.

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