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51549-15-6

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51549-15-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51549-15-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,4 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51549-15:
(7*5)+(6*1)+(5*5)+(4*4)+(3*9)+(2*1)+(1*5)=116
116 % 10 = 6
So 51549-15-6 is a valid CAS Registry Number.

51549-15-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 2',3',5'-tri-O-benzoyladenosine

1.2 Other means of identification

Product number -
Other names O2',O3',O5'-tribenzoyl-adenosine

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:51549-15-6 SDS

51549-15-6Relevant articles and documents

Synthesis of Rovafovir Etalafenamide (Part IV): Evolution of the Synthetic Process to the Fluorinated Nucleoside Fragment

Siler, David A.,Calimsiz, Selcuk,Doxsee, Ian J.,Kwong, Bernard,Ng, Jeffrey D.,Sarma, Keshab,Shen, Jinyu,Curl, Jonah W.,Davy, Jason A.,Garber, Jeffrey A. O.,Ha, Sura,Lapina, Olga,Lee, Jisung,Lin, Lennie,Park, Sangsun,Rosario, Mary,St-Jean, Olivier,Yu, Guojun

, p. 1263 - 1274 (2021/05/29)

Fluorinated nucleoside 1 is a key starting material in the synthesis of rovafovir etalafenamide (2), a novel nucleotide reverse transcriptase inhibitor under development at Gilead Sciences for the treatment of HIV. While an initial manufacturing route enabled the production of 1 to support clinical development, alternative approaches were explored to further enhance manufacturing effectiveness, improve processing time, reduce cost, and minimize the environmental impact. Toward this end, two new routes were developed to a key synthetic intermediate, which was converted to 1 using a new protecting group strategy. The new chemistry led to improvements in the manufacturing process while reducing the overall process mass intensity (PMI).

An efficient approach to the synthesis of nucleosides: Gold(I)-catalyzed N-glycosylation of pyrimidines and purines with glycosyl ortho-alkynyl benzoates

Zhang, Qingju,Sun, Jiansong,Zhu, Yugen,Zhang, Fuyi,Yu, Biao

supporting information; experimental part, p. 4933 - 4936 (2011/06/24)

Persuaded with gold: The title reaction in the presence of [Ph 3PAuNTf2] (Tf=trifluoromethanesulfonyl) led conveniently to the corresponding nucleosides with excellent regioselectivity (see scheme). Even purine derivatives underwent this transformation owing to the mild conditions, which enabled the use of protecting groups that would not usually be compatible with N-glycosylation conditions. Copyright

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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