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20535-16-4

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20535-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20535-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,3 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20535-16:
(7*2)+(6*0)+(5*5)+(4*3)+(3*5)+(2*1)+(1*6)=74
74 % 10 = 4
So 20535-16-4 is a valid CAS Registry Number.

20535-16-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name (2R,3S,4S,5R)-5-(6-aminopurin-9-yl)-3-fluoro-2-(hydroxymethyl)oxolane-3,4-diol

1.2 Other means of identification

Product number -
Other names 9-Fdxa

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:20535-16-4 SDS

20535-16-4Relevant articles and documents

Role of the stereochemistry of 3'-fluoro-3'-deoxy analogues of 2-5A in binding to and activation of mouse RNase L

Kalinichenko, Elena N.,Podkopaeva, Tatjana L.,Poopeiko, Nicolai E.,Kelve, Merike,Saarma, Mart,et al.

, p. 43 - 50 (2007/10/02)

The synthesis of two sets of analogues of 2-5A trimer containing 9-(3-fluoro-3-deoxy-β-D-xylo-furanosyl)adenine (AF) or 3'-fluoro-3'-deoxyadenosine (AF) at different positions of the chain is described, along with the preparation of the corresponding 5'-monophosphates and 5'-diphosphorylated (core) trimers.The ability of each ribo and xylo isomeric pair of fluorodeoxy analogues of 2-5A (i) to compete with p3(A2'p)3A3'pC3'p for binding to RNase L in L929 cell extracts, and (ii) to activate the partially purified RNase L from L929 cell extracts to hydrolyze poly(U), was compared to that of the related 3'-deoxy analogue and the parent trimer, p3A3, using radiobinding and RNase L-(2',5')pentaadenylate(core)-agarose assays, respectively.Evidence is presented to show that the stereochemistry of the trimers plays an important role, specifically in the second process.The most striking observation is that, compared to 2-5A, p3A(AF)A was found to be nine times more effective an activator of RNase L, whereas isomeric p3A(AF)A is 30 times less effective.

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