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4,9,15,20-tetrakis(2-phenylethyl)-6,7,17,18-dibenzo-5,8,16,19-tetraoxo-1,12-dithia-4,9,15,20-tetraazacyclodocosa-6,17-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

145644-75-3

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145644-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145644-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,6,4 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 145644-75:
(8*1)+(7*4)+(6*5)+(5*6)+(4*4)+(3*4)+(2*7)+(1*5)=143
143 % 10 = 3
So 145644-75-3 is a valid CAS Registry Number.

145644-75-3Downstream Products

145644-75-3Relevant academic research and scientific papers

POLYFUNCTIONAL MACROHETEROCYCLES. 4. SYNTHESIS AND SOME CHEMICAL TRANSFORMATIONS OF NITROGEN- AND SULFUR-CONTAINING CROWN COMPOUNDS WITH EXOCYCLIC METHOXYCARBONYL, CYANO, AND PHENYLETHYL GROUPS

Voronkov, M. G.,Knutov, V. I.,Butin, M. K.

, p. 228 - 231 (2007/10/02)

The acylation of 1,5-diamino-, 1,5-bis(2-phenylethylamino)-, and 1,5-bis(2-methoxycarbonylethylamino)-3-thiapentanes with adipic and phthalic acid dichlorides, as well as oxalyl chloride, leads to, respectively, 13-, 22-, and 18-membered macroheterocycles

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