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127757-40-8

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127757-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127757-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,5 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 127757-40:
(8*1)+(7*2)+(6*7)+(5*7)+(4*5)+(3*7)+(2*4)+(1*0)=148
148 % 10 = 8
So 127757-40-8 is a valid CAS Registry Number.

127757-40-8Relevant articles and documents

P-Stereodefined phosphorothioate analogs of glycol nucleic acids—synthesis and structural properties

Tomaszewska-Antczak, Agnieszka,Jastrz?bska, Katarzyna,Maciaszek, Anna,Miko?ajczyk, Barbara,Guga, Piotr

, p. 24942 - 24952 (2018/07/29)

Enantiomerically pure, protected acyclic nucleosides of the GNA type (glycol nucleic acids) (GN′), obtained from (R)-(+)- and (S)-(?)-glycidols and the four canonical DNA nucleobases (Ade, Cyt, Gua and Thy), were transformed into 3′-O-DMT-prote

Synthesis of glycol nucleic acids

Zhang, Lilu,Peritz, Adam E.,Carroll, Patrick J.,Meggers, Eric

, p. 645 - 653 (2007/10/03)

Starting from glycidol, the synthesis of dimethoxytritylated glycol nucleoside phosphoramidites of adenine (A), thymine (T), uracil (U), guanine (G), and cytosine (C) is reported. These phosphoramidites are the building blocks for the automated solid phas

Synthesis of propane-2,3-diol combinatorial monomers

Acevedo, Oscar L.,Andrews, Robert S.

, p. 3931 - 3934 (2007/10/03)

Base catalyzed reaction of heterocyclic bases with R-(+)-glycidol gives heteroaryl-propane-2,3-diols which are functionalized to the 3-O-dimethoxytrityl-2-O-phosphoramidites. A dimethoxytrityl-glycidol is reacted with alkyl or aryl Grignard reagents and then phosphitylated to yield 1-O-dimethoxytrityl-2-phosphoramidites. These compounds can be used for combinatorial oligomer synthesis.

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