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119665-45-1

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119665-45-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119665-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,6,6 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 119665-45:
(8*1)+(7*1)+(6*9)+(5*6)+(4*6)+(3*5)+(2*4)+(1*5)=151
151 % 10 = 1
So 119665-45-1 is a valid CAS Registry Number.

119665-45-1Relevant articles and documents

Substituted 2-Aminothiazoles from α-Thiocyanato-acetophenones and Dialkylamines

Teller, J.,Dehne, H.,Zimmermann, T.,Fischer, G. W.,Olk, B.

, p. 453 - 460 (2007/10/02)

α-Thiocyanato-acetophenones 1 react with dialkylammonium salts of weak acids (acetates, propionates, benzoates) to give 2-dialkylamino-4-aryl-thiazoles 4.As reaction medium aliphatic alcohols (methanol, ethanol), dipolar-aprotic solvents (acetonitrile, di

Spectrometric and Chemical Studies of 5-Acyl- and 5-Nitroso-2-(N,N-disubstituted Amino)thiazoles

Birkinshaw, Timothy N.,Meakins, G. Denis,Plackett, Simon J.

, p. 2209 - 2212 (2007/10/02)

The conformational preferences of 2-(N,N-disubstituted amino)thiazoles having a 4-substituent (R1) and a 5-acyl group (R2CO) have been established by i.r. spectrometry and a crystallographic examination.In solution the compounds with R2=aryl and R1=Me or aryl exist predominantly or entirely in the carbonyl O,S-anti arrengement; for those with R1=aryl and R2=Me the syn rotamer is the main form but a small amount (ca. 15percent) of the anti rotamer is present.Nitrosation of 4-aryl-2-dimethylaminothiazoles gives 5-nitoso derivatives, and these are probably the first authentic nitrosothiazoles.The barrier to rotation of the dimethylamino group is unexpectedly high (ΔG(excit.)298=69 kJ mol-1), exceeding even that of the 5-trifluoroacetyl analogous.

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