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1-Butanone, 1-(3,4-dimethoxyphenyl)-3-(2-hydroxy-3-methoxyphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189181-41-7

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189181-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189181-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189181-41:
(8*1)+(7*8)+(6*9)+(5*1)+(4*8)+(3*1)+(2*4)+(1*1)=167
167 % 10 = 7
So 189181-41-7 is a valid CAS Registry Number.

189181-41-7Relevant academic research and scientific papers

Synthesis of (+/-)-cassumunins A and B, new curcuminoid antioxidants having protective activity of the living cell against oxidative damage.

Masuda,Matsumura,Oyama,Takeda,Jitoe,Kida,Hidaka

, p. 609 - 613 (2007/10/03)

A chemical synthesis of cassumunins A (1) and B (2), natural curcuminoid antioxidants, was developed. The synthesis was started from o-vanillin and after nine reaction steps resulted in 20% and 26% overall yields of 1 and 2, respectively. The synthetic ca

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