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1048025-55-3

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1048025-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1048025-55-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,8,0,2 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1048025-55:
(9*1)+(8*0)+(7*4)+(6*8)+(5*0)+(4*2)+(3*5)+(2*5)+(1*5)=123
123 % 10 = 3
So 1048025-55-3 is a valid CAS Registry Number.

1048025-55-3Upstream product

1048025-55-3Downstream Products

1048025-55-3Relevant articles and documents

Base- and Additive-Free Ir-Catalyzed ortho-Iodination of Benzoic Acids: Scope and Mechanistic Investigations

Erbing, Elis,Sanz-Marco, Amparo,Vázquez-Romero, Ana,Malmberg, Jesper,Johansson, Magnus J.,Gómez-Bengoa, Enrique,Martín-Matute, Belén

, p. 920 - 925 (2018/02/14)

A protocol for the C-H activation/iodination of benzoic acids catalyzed by a simple iridium complex has been developed. The method described in this paper allows the ortho-selective iodination of a variety of benzoic acids under extraordinarily mild conditions in the absence of any additive or base in 1,1,1,3,3,3-hexafluoroisopropanol as the solvent. The iridium catalyst used tolerates air and moisture, and selectively gives ortho-iodobenzoic acids with high conversions. Mechanistic investigations revealed that an Ir(III)/Ir(V) catalytic cycle operates, and that the unique properties of HFIP enables the C-H iodination using the carboxylic moiety as a directing group.

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