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1-tert-butyldimethylsilyloxymethyl-3-(2,3,4-trimethoxy-6-methoxycarbonylphenoxy)-4,8,9,10-tetra methoxydibenzo[b,d]pyran-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1242690-43-2

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1242690-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242690-43-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,6,9 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1242690-43:
(9*1)+(8*2)+(7*4)+(6*2)+(5*6)+(4*9)+(3*0)+(2*4)+(1*3)=142
142 % 10 = 2
So 1242690-43-2 is a valid CAS Registry Number.

1242690-43-2Downstream Products

1242690-43-2Relevant academic research and scientific papers

Syntheses of all-methylated ellagitannin, isorugosin B and rugosin B

Shioe, Kazuma,Sahara, Yusuke,Horino, Yoshikazu,Harayama, Takashi,Takeuchi, Yasuo,Abe, Hitoshi

supporting information; experimental part, p. 1960 - 1970 (2011/04/22)

Ellagitannins possess a wide range of biological activities and remarkable structural diversity, which commonly include an axially chiral biaryl unit. This paper describes syntheses of all-methylated versions of isorugosin B and rugosin B, which are regio

Synthesis of all-methylated isorugosin B

Shioe, Kazuma,Takeuchi, Yasuo,Harayama, Takashi,Abe, Hitoshi

scheme or table, p. 435 - 437 (2011/02/28)

All-methylated isorugosin B was synthesized via two-step esterification between optically active valoneic acid and glucose derivatives.

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