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1094172-70-9

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1094172-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1094172-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,4,1,7 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1094172-70:
(9*1)+(8*0)+(7*9)+(6*4)+(5*1)+(4*7)+(3*2)+(2*7)+(1*0)=149
149 % 10 = 9
So 1094172-70-9 is a valid CAS Registry Number.

1094172-70-9Downstream Products

1094172-70-9Relevant articles and documents

Synthetic studies on dragmacidin D: Synthesis and assembly of three fragments towards an advanced intermediate

Oikawa, Masato,Ikoma, Minoru,Sasaki, Makoto

, p. 4654 - 4666 (2011/10/03)

We report herein the approach to the key advanced intermediate in the synthesis of the bioactive marine natural product dragmacidin D. By employing a modular synthesis strategy of three fragments (5, 7, and 8), the advanced intermediate 3 has been successfully synthesized in 2.5% yield over 15 steps by starting from nitrotoluene 20. The synthesis also involves sequential cross-coupling reactions, namely Sonogashira and Suzuki-Miyaura reactions, so that various analogues can be efficiently synthesized, which will allow the study of structure-activity relationships of dragmacidin D.

Synthetic studies on dragmacidin D: synthesis of the left-hand fragment

Ikoma, Minoru,Oikawa, Masato,Sasaki, Makoto

scheme or table, p. 7197 - 7199 (2009/04/11)

We report a synthesis of a left-hand fragment of bis(indole)-class marine alkaloid, dragmacidin D. The synthesis features Suzuki-Miyaura reaction for the coupling of imidazolyl boronic acid and (4-indolyl)vinyl bromide.

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