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340155-03-5

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340155-03-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 340155-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,1,5 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 340155-03:
(8*3)+(7*4)+(6*0)+(5*1)+(4*5)+(3*5)+(2*0)+(1*3)=95
95 % 10 = 5
So 340155-03-5 is a valid CAS Registry Number.

340155-03-5Downstream Products

340155-03-5Relevant articles and documents

Synthesis, structure, and host ability of macrocycles based on the structural diversity of 1,3-diene

Yamaguchi, Hiroshi,Nakanishi, Saburo,Kihara, Nobuhiro,Takata, Toshikazu

, p. 1699 - 1702 (2001)

Macrocycles consisting of both a 1,3-diene unit and a polyether linkage were prepared by the reaction of muconic acid dichloride with diols containing a polyether linkage. The 1,3-diene moiety was complexed by iron carbonyl to furnish macrocycles bearing a (η4-diene)tricarbonyliron moiety. The structures of the macrocycles were determined by NMR and IR spectroscopy, and by X-ray structural analysis. The macrocycles formed complexes with some ammonium salts and their association constants varied according to whether the structure of the 1,3-diene moiety was complexed or uncomplexed. Ring-size effects of the macrocycles on the association constants were also studied.

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