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2,3-carbethoxy-4,5-dimethoxy-7-methylbenzothiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

107545-11-9

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107545-11-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107545-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,4 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 107545-11:
(8*1)+(7*0)+(6*7)+(5*5)+(4*4)+(3*5)+(2*1)+(1*1)=109
109 % 10 = 9
So 107545-11-9 is a valid CAS Registry Number.

107545-11-9Downstream Products

107545-11-9Relevant academic research and scientific papers

PHOTOCYCLOADDITION of DIETHYL ACETYLENEDICARBOXYLATE to 2-PHENYL-4H-1,3-BENZOTHIAZINE DERIVATIVES

Sindler-Kulyk, Marija,Dumbovic, Alojz,Srzic, Dunja,Metelko, Biserka,Fodor, Lajosz

, p. 2749 - 2752 (2007/10/02)

Upon irradiation in the presence of diethyl acetylenedicarboxylate 6,7-dimethoxy-2-phenyl-4H-1,3-benzothiazine gives two main products: benzonitrile (X) and 2,3-carbethoxy-4,5-dimethoxy-7-methylbenzothiophene (XI).We report herein the first photochemical reaction of a 4H-1,3-benzothiazine derivative.

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