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23887-12-9

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23887-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23887-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,8 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23887-12:
(7*2)+(6*3)+(5*8)+(4*8)+(3*7)+(2*1)+(1*2)=129
129 % 10 = 9
So 23887-12-9 is a valid CAS Registry Number.

23887-12-9Relevant articles and documents

Synthesis of scyllo-inositol derivatives and their effects on amyloid beta peptide aggregation

Sun, Yedi,Zhang, Guohua,Hawkes, Cheryl A.,Shaw, James E.,McLaurin, JoAnne,Nitz, Mark

, p. 7177 - 7184 (2008/12/22)

scyllo-Inositol has shown promise as a potential therapeutic for Alzheimer's disease, by directly interacting with the amyloid β (Aβ) peptide to inhibit Aβ42 fiber formation. To explore the molecular details of the inositol-Aβ42 interaction, a series of scyllo-inositol derivatives have been synthesized which contain deoxy, fluoro, chloro, and methoxy substitutions. The effects of these compounds on the aggregation cascade of Aβ42 have been investigated using electron microscopy (EM). EM analyses revealed that the 1-deoxy-1-fluoro- and 1,4-dimethyl-scyllo-inositols significantly inhibit the formation of Aβ42 fibers. The other derivatives showed some alterations in the morphology of the Aβ42 fibers produced. These findings indicate the importance of all of the hydroxyl groups of scyllo-inositol for complete inhibition of Aβ aggregation.

Sulfonate protecting groups. Synthesis of O- and C-methylated inositols: D- and L-ononitol, D- and L-laminitol, mytilitol and scyllo-inositol methyl ether

Sarmah, Manash P.,Shashidhar, Mysore S.,Sureshan, Kana M.,Gonnade, Rajesh G.,Bhadbhade, Mohan M.

, p. 4437 - 4446 (2007/10/03)

Syntheses of d- and l-ononitol, d- and l-laminitol, mytilitol and scyllo-inositol methyl ether starting from myo-inositol are described. One or two of the myo-inositol 1,3,5-orthoformate hydroxyl groups were protected as tosylates. These mono or ditosylat

An effective strategy for the synthesis of 6-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-D-chiro- and -D-myo-inositol 1-phosphate related to putative insulin mimetics

Jaramillo,Chiara,Martin-Lomas

, p. 3135 - 3141 (2007/10/02)

Two glycosylinositol phosphates related to putative insulin mimetics, 6-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-D-chiro-inositol 1-phosphate (1) and 6-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol 1-phosphate (2), have been synthesized from selectively protected and enantiomerically pure D-chiro- and myo-inositol derivatives. The D-chiro-inositol unit was prepared in a multigram scale from D-glucose using the Ferrier's carbocyclization route, and it was transformed into the corresponding myo epimer by an oxidation-reduction sequence. The trichloroacetimidate method was applied efficiently for the key glycosylation of the inositol derivatives.

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