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1333378-12-3

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1333378-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333378-12-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,3,7 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1333378-12:
(9*1)+(8*3)+(7*3)+(6*3)+(5*3)+(4*7)+(3*8)+(2*1)+(1*2)=143
143 % 10 = 3
So 1333378-12-3 is a valid CAS Registry Number.

1333378-12-3Downstream Products

1333378-12-3Relevant 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.

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