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858189-38-5

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858189-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 858189-38-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,1,8 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 858189-38:
(8*8)+(7*5)+(6*8)+(5*1)+(4*8)+(3*9)+(2*3)+(1*8)=225
225 % 10 = 5
So 858189-38-5 is a valid CAS Registry Number.

858189-38-5Downstream Products

858189-38-5Relevant academic research and scientific papers

Synthetic Scope of Br?nsted Acid-Catalyzed Reactions of Carbonyl Compounds and Ethyl Diazoacetate

Rahaman, Mizzanoor,Ali, M. Shahnawaz,Jahan, Khorshada,Hinz, Damon,Belayet, Jawad Bin,Majinski, Ryan,Hossain, M. Mahmun

, p. 6138 - 6147 (2021)

The comprehensive study of the reactions of carbonyl compounds and ethyl diazoacetate in the presence of a Br?nsted acid catalyst is described. In result, a broad range of 3-oxo-esters were synthesized from a variety of ketones and aliphatic aldehydes by 1,2-aryl/alkyl/hydride shift. Aryl-methyl ketones produced only aryl-migrated products, whereas other ketones yielded a mixture of products. For diaryl ketones, the identity of two inseparable migrated products was confirmed by two-dimensional NMR spectroscopy.

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