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67221-57-2

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  • 3'-Thymidylic acid,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-, 4-chlorophenyl 2-cyanoethyl ester(9CI)

    Cas No: 67221-57-2

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67221-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67221-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,2 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67221-57:
(7*6)+(6*7)+(5*2)+(4*2)+(3*1)+(2*5)+(1*7)=122
122 % 10 = 2
So 67221-57-2 is a valid CAS Registry Number.

67221-57-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 5'-O-(dimethoxytrityl)thymidine 3'-(p-chlorphenylcyanoethyl phosphate)

1.2 Other means of identification

Product number -
Other names 5'-O-(bis(4-methoxyphenyl)phenylmethyl)-3'-thymidylic acid, 4-chlorophenyl 2-cyanoethyl ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:67221-57-2 SDS

67221-57-2Relevant articles and documents

Synthesis of Deoxyoligonucleotide Linker Fragments for Genetic Engineering Using Improved Preparative and Analytical Techniques

Seliger, Hartmut,Bach, Trung-Chinh,Siewert, Gerhard,Boidol, Werner,Toepert, Michael,et al.

, p. 835 - 853 (2007/10/02)

For studies on the expression of recombinant DNA, linker fragments have been prepared which serve to introduce specific points of cleavage on the DNA as well as the protein level.Such linkers were designed for cyanogen bromide as well as for collagenase cleavage of fused proteins.The preparation was done according to the triester synthesis scheme using improved and simpler routes to functionalized dinucleotide building blocks.Field desorption mass spectrometry was used as a routine tool for the identification and control of the purity of these units.

PREPARATION RAPIDE DES MONONUCLEOSIDES-3' MONOPHOSPHATE PROTEGES UTILISABLES EN SYNTHESE OLIGONUCLEOTIDIQUE

Molko, D.,Derbyshire, R. B.,Guy, A.,Roget, A.,Teoule, R.

, p. 2159 - 2160 (2007/10/02)

Fully protected mononucleotides are prepared by the action of parachlorophenylphosphodichloridite in THF on the corresponding nucleosides followed by oxidation with iodine.

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