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C22H22O5 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

504394-82-5

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504394-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 504394-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,4,3,9 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 504394-82:
(8*5)+(7*0)+(6*4)+(5*3)+(4*9)+(3*4)+(2*8)+(1*2)=145
145 % 10 = 5
So 504394-82-5 is a valid CAS Registry Number.

504394-82-5Downstream Products

504394-82-5Relevant academic research and scientific papers

Organocatalytic enantioselective Michael additions of malonates to 2-cyclopentenone

Mase, Nobuyuki,Fukasawa, Maho,Kitagawa, Norihiko,Shibagaki, Fumiya,Noshiro, Naoyasu,Takabe, Kunihiko

, p. 2340 - 2344 (2010)

The Michael reaction of a dialkyl malonate with a cyclic enone using a chiral diamine-acid combination catalyst gave the desired Michael adduct in high yield with excellent enantiomeric excess in a protic solvent such as methanol and ethanol. The methanol

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