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111042-72-9

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111042-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111042-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,0,4 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 111042-72:
(8*1)+(7*1)+(6*1)+(5*0)+(4*4)+(3*2)+(2*7)+(1*2)=59
59 % 10 = 9
So 111042-72-9 is a valid CAS Registry Number.

111042-72-9Downstream Products

111042-72-9Relevant articles and documents

Asymmetric Syntheses of Chiral Propane-1,3-diols Starting from Malonic Acid

Ihara, Masataka,Takahashi, Masanobu,Taniguchi, Nobuaki,Yasui, Ken,Fukumoto, Keiichiro,Kametani, Tetsuji

, p. 897 - 903 (2007/10/02)

Syntheses of chiral intermediates having one tertiary asymmetric centre were carried out via chiral half-esters of monoalkylmalonic acids.The menthyl half-ester of ethylmalonic acid afforded a single diastereoisomer through crystallisation-induced asymmetric transformation (second-order asymmertic transformation).Furthermore enantioselective preparation of unsymmertical propane-1,3-diol derivatives was achieved by the use of 8-phenylmenthyl half-esters.

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