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8-epi-goniopypyrone-5,7-O-dimethoxymethyl ether is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221639-67-4

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221639-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221639-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,6,3 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 221639-67:
(8*2)+(7*2)+(6*1)+(5*6)+(4*3)+(3*9)+(2*6)+(1*7)=124
124 % 10 = 4
So 221639-67-4 is a valid CAS Registry Number.

221639-67-4Downstream Products

221639-67-4Relevant academic research and scientific papers

Stereocontrolled syntheses of novel styryl lactones, (+)-goniodiol, (+)- goniotriol, (+)-8-acetylgoniotriol, (+)-goniofufurone, (+)-9- deoxygoniopypyrone, (+)-goniopypyrone, and (+)-altholactone from common intermediates and cytotoxicity of their congener

Tsubuki, Masayoshi,Kanai, Kazuo,Nagase, Hiromasa,Honda, Toshio

, p. 2493 - 2514 (2007/10/03)

Concise syntheses of (+)-goniodiol, (+)-goniotriol, (+)-8- acetylgoniotriol, (+)-goniofufurone, (+)-9-deoxygoniopypyrone, (+)- goniopypyrone, and (+)-altholactone and their congeners from chiral lactonic aldehydes 27 and 36 as common intermediates are des

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