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14-Oxa-2,7,12-triazahexadeca-4,9-dienoic acid, 2,7,12-tris[(4-bromophenyl)sulfonyl]-15,15-dimethyl-13-oxo-, 1,1-dimethylethyl ester, (4E,9E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

850334-77-9

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850334-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 850334-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,3,3 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 850334-77:
(8*8)+(7*5)+(6*0)+(5*3)+(4*3)+(3*4)+(2*7)+(1*7)=159
159 % 10 = 9
So 850334-77-9 is a valid CAS Registry Number.

850334-77-9Relevant academic research and scientific papers

Preparation of nitrogen-containing 25-membered pentaolefinic macrocycles: (E,E,E,E,E)-1,6,11,16,21-penta(arylsulfonyl)-1,6,11,16,21- pentaazacyclopentacosa-3,8,13,18,23-pentaenes

Blanco, Belen,Christensen, Jesper,Maurel, Ignasi,Pleixats, Roser,Serra, Anna,Pla-Quintana, Anna,Roglans, Anna,Benet-Buchholz, Jordi

, p. 374 - 380 (2007/10/03)

A stepwise preparation of a series of nitrogen-containing 25-membered pentaolefinic macrocycles is presented. The corresponding arenesulfonamides and trans-1,4-dibromo-2-butene served as precursors for the synthesis. Georg Thieme Verlag Stuttgart.

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