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73873-19-5

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73873-19-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73873-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,7 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73873-19:
(7*7)+(6*3)+(5*8)+(4*7)+(3*3)+(2*1)+(1*9)=155
155 % 10 = 5
So 73873-19-5 is a valid CAS Registry Number.

73873-19-5Downstream Products

73873-19-5Relevant articles and documents

Broadly Applicable Ytterbium-Catalyzed Esterification, Hydrolysis, and Amidation of Imides

Guissart, Céline,Barros, Andre,Rosa Barata, Luis,Evano, Gwilherm

supporting information, p. 5098 - 5102 (2018/09/13)

An efficient, broadly applicable, operationally simple, and divergent process for the transformation of imides into a range of carboxylic acid derivatives under mild conditions is reported. By simply using catalytic amounts of ytterbium(III) triflate as a Lewis acid promoter in the presence of alcohols, water, amines, or N,O-dimethylhydroxylamine, a broad range of imides is smoothly and readily converted to the corresponding esters, carboxylic acids, amides, and Weinreb amides in good yields. This method notably enables an easy cleavage of oxazolidinone-based auxiliaries.

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