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2,3-Dihydro-2-methyl-2-phenyl-4H-1,3-benzoxazin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40033-93-0

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40033-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40033-93-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,3 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40033-93:
(7*4)+(6*0)+(5*0)+(4*3)+(3*3)+(2*9)+(1*3)=70
70 % 10 = 0
So 40033-93-0 is a valid CAS Registry Number.

40033-93-0Relevant articles and documents

Gold-Catalyzed Michael-Type Reactions and [4 + 2]-Annulations between Propiolates and 1,2-Benzisoxazoles with Ester-Directed Chemoselectivity

Pandit, Yashwant Bhaskar,Sahani, Rajkumar Lalji,Liu, Rai-Shung

, p. 6655 - 6658 (2018)

This work reports gold-catalyzed reactions between 1,2-benzisoxazoles and propiolate derivatives with ester-controlled chemoselectivity. For ethyl propiolates 1′, their gold-catalyzed reactions afforded Michael-type products 4, whereas tert-butyl propiola

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