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5040-18-6

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5040-18-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5040-18-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,4 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5040-18:
(6*5)+(5*0)+(4*4)+(3*0)+(2*1)+(1*8)=56
56 % 10 = 6
So 5040-18-6 is a valid CAS Registry Number.

5040-18-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name cytidine tetraacetate

1.2 Other means of identification

Product number -
Other names N6-acetyl-2',3',5'-tri-O-acetylcytidine

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:5040-18-6 SDS

5040-18-6Relevant articles and documents

PURINE AND PYRIMIDINE NUCLEOTIDES AS ECTO-5'-NUCLEOTIDASE INHIBITORS

-

Paragraph 0185; 0223, (2020/03/05)

Disclosed is a compound of formula (I), wherein Q, U, T, A, a, b, c, and n are as defined herein. Also disclosed are methods of inhibiting ecto?5'?nucleotidase, inhibiting suppression of an antitumor immune response, inhibiting tumor growth of a cancerous

A versatile synthesis of 5'-fenctionalized nucleosides through regioselective enzymatic hydrolysis of their peracetylated precursors

Bavaro, Teodora,Rocchietti, Silvia,Ubiali,Filice, Marco,Terreni, Marco,Pregnolato, Massimo

experimental part, p. 1967 - 1975 (2009/09/08)

We describe a chemo-enzymatic synthesis of modified nucleosides through lipase-catalyzed hydrolysis of their peracetylated precursors. It was found from screening of a large number of substrates that these enzymesregioselectivities were affected by the sugar and the nucleobase structures. By selecting the best enzyme for each substrate in terms of activity and regioselectivity, we prepared a small library of differently monodeprotecled purine and pyrimidine nucleosides useful as intermediates for the synthesis of high-value nucleosides and mononucleotides. By this approach, the chemo-enzymatic preparation of doxifluridine (14) and uridine 5'-monophosphate (5'-UMP, 15) from peracetylated uridine 1 was carried out. Elimination of many of the processing stages associated with existing methods was achieved, and higher yields and products of increased purity were generated. Wiley-VCH Verlag GmbH & Co. KGaA.

Nucleic acid related compounds. 127. Selective N-deacylation of N,O-peracylated nucleosides in superheated methanol

Nowak, Ireneusz,Conda-Sheridan, Martin,Robins, Morris J.

, p. 7455 - 7458 (2007/10/03)

Solutions of peracylated adenosine, cytidine, and related nucleoside derivatives undergo selective N-deacylation upon heating at elevated temperatures (oil bath ≥ 105 °C) in methanol. An increase in the bulk of the N-acyl group has little effect on the rate of N-deacylation but increases the N/O selectivity ratio. Extended heating is required for N-deacylation with arylcarboxylic acid derivatives. Contamination with acidic or basic reagent residues is avoided.

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