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90054-88-9

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90054-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90054-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,5 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90054-88:
(7*9)+(6*0)+(5*0)+(4*5)+(3*4)+(2*8)+(1*8)=119
119 % 10 = 9
So 90054-88-9 is a valid CAS Registry Number.

90054-88-9Downstream Products

90054-88-9Relevant articles and documents

A Method for the Preparation of β-Amino-α,β-unsaturated Carbonyl Compounds: Study of Solvent Effect and Mechanism

R. S., Reyno,Sugunan, Akash,S., Ranganayakulu,Suresh, Cherumuttathu H.,Rajendar, Goreti

supporting information, p. 1040 - 1045 (2020/02/15)

An efficient method for the preparation of β-amino-α,β-unsaturated carbonyl compounds is demonstrated. Bench-stable sodium 3-oxo-enolates were prepared from carbonyl compounds, and reacted with amines in the presence of an acid and a desiccant. DFT studie

Methyl β-(benzotriazol-1-yl)vinyl ketone: A new β-acetylvinyl cation equivalent

Katritzky, Alan R.,Blitzke, Torsten,Li, Jianqing

, p. 3773 - 3781 (2007/10/03)

A simple and efficient two-step approach to methyl β-(benzotriazol-1-yl)vinyl ketone 7 is described. The synthetic utility of compound 7 has been demonstrated by nucleophilic substitutions of the benzotriazolyl group with a range of nucleophiles. Thus, me

Protonation and Acylation Reactions of Acyclic Enamino Ketones

Boehme, Horst,Traenka, Manfred

, p. 149 - 159 (2007/10/02)

α,β-Unsaturated β-dialkylamino ketones 4 are converted by means of tetrafluoroboric acid into thermodynamically stable Cα-protonated iminium salts 5. β-(Dialkylamino)vinyl ketones are shown to exist preferentially in the E-s-cis and E-s-trans c

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