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221177-50-0

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221177-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221177-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,7 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221177-50:
(8*2)+(7*2)+(6*1)+(5*1)+(4*7)+(3*7)+(2*5)+(1*0)=100
100 % 10 = 0
So 221177-50-0 is a valid CAS Registry Number.

221177-50-0Relevant articles and documents

NHC-Copper(I) Halide-Catalyzed Direct Alkynylation of Trifluoromethyl Ketones on Water

Czerwiński, Pawe?,Molga, Edyta,Cavallo, Luigi,Poater, Albert,Michalak, Micha?

supporting information, p. 8089 - 8094 (2016/06/13)

An efficient and easily scalable NHC-copper(I) halide-catalyzed addition of terminal alkynes to 1,1,1-trifluoromethyl ketones, carried out on water for the first time, is reported. A series of addition reactions were performed with as little as 0.1-2.0?mo

5,5-disubstituted-1,5-dihydro-4,1-benzoxazepin-2 (3H)-ones useful as HIV reverse transcriptase inhibitors

-

, (2008/06/13)

The present invention relates to benzoxazepinones of formula I: STR1 or stereoisomeric forms or mixtures, or pharmaceutically acceptable salt forms thereof, which are useful as inhibitors of HIV reverse transcriptase, and to pharmaceutical compositions and diagnostic kits comprising the same and methods of using the same for treating viral infection or as an assay standard or reagent.

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