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3-[2-Phenyl-4H-benzo[1,4]thiazin-(3E)-ylidene]-butan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74457-52-6

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74457-52-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74457-52-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,5 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74457-52:
(7*7)+(6*4)+(5*4)+(4*5)+(3*7)+(2*5)+(1*2)=146
146 % 10 = 6
So 74457-52-6 is a valid CAS Registry Number.

74457-52-6Downstream Products

74457-52-6Relevant academic research and scientific papers

RING OPENING REACTION OF gem-DIFLUOROCYCLOPROPYL KETONES WITH NUCLEOPHILES

Kobayashi, Yoshiro,Taguchi, Takeo,Morikawa, Tsutomu,Takase, Toyohiko,Takanashi, Hiroshi

, p. 1047 - 1050 (2007/10/02)

Syntheses of gem-difluorocyclopropyl ketones (3a-d) and their reactions with nucleophiles are described.Ring opening reactions of 3a, c and d with a methanolate and a thiolate anion took entirely different courses of bond scission of the cyclopropane ring.

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