Cas 1258208-99-9,3-[(S)-2-methyl-1-phenylallyl]-5-p-methoxyphenyl-thiazolidine-2,4-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 1258208-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,2,0 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1258208-99:
(9*1)+(8*2)+(7*5)+(6*8)+(5*2)+(4*0)+(3*8)+(2*9)+(1*9)=169
169 % 10 = 9
So 1258208-99-9 is a valid CAS Registry Number.

1258208-99-9Upstream product

616882-70-3 (R)-4-phenyl-5,5-dimethyl-1,3-oxazolidine-2-thione

1258208-99-9Downstream Products

1258209-03-8 (S)-N-(2-methyl-1-phenylallyl)-2-oxo-2-p-methoxyphenyl-acetamide

1258208-99-9Relevant academic research and scientific papers

Rearrangement of 5-phenylthiazolidine-2,4-diones to chiral α-ketoamides via α-elimination

Munive, Laura,Berns, Sylvain,Sansinenea, Estibaliz,Ortiz, Aurelio

body text, p. 6041 - 6044 (2010/11/21)

An unexpected reaction took place when 5-phenylthiazolidine-2,4-diones were treated in basic media to produce phenyl-α-ketoamides in good yields. The 5-phenylthiazolidine-2,4-diones used as reactants were achieved through a rearrangement, which took place in the corresponding N-acyloxazolidinethiones.

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