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149099-18-3

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149099-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149099-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,0,9 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 149099-18:
(8*1)+(7*4)+(6*9)+(5*0)+(4*9)+(3*9)+(2*1)+(1*8)=163
163 % 10 = 3
So 149099-18-3 is a valid CAS Registry Number.

149099-18-3Relevant articles and documents

Stereoselective Synthesis of Oligo(tetrahydrofurans): Linear and Convergent Routes to Bi- and Tetrahydrofurans

Koert, Ulrich,Stein, Matthias,Wagner, Holger

, p. 1415 - 1426 (2007/10/02)

The "dimeric" and "trimeric" oligo(tetrahydrofurans) (oligo-THFs) 24, 28, 32, and 38 were synthesized stereoselectively according to a linear and a convergent synthetic strategy.The oligo-THFs thus obtained are important intermediates for the synthesis of artificial ion channels.Furthermore, they can be used in the total synthesis of Annonaceae acetogenins, a class of natural occurring oligo-THFs with promising pharmacological properties. - Keywords: Synthesis, stereoselective / Oligo(tetrahydrofurans), natural, non-natural /Ion channels, artificial / Annonaceae acetogenins

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