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384331-56-0

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384331-56-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 384331-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,4,3,3 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 384331-56:
(8*3)+(7*8)+(6*4)+(5*3)+(4*3)+(3*1)+(2*5)+(1*6)=150
150 % 10 = 0
So 384331-56-0 is a valid CAS Registry Number.

384331-56-0Relevant articles and documents

Asymmetric synthesis of a tetracyclic model for the aziridinomitosenes

Michael, Joseph P,De Koning, Charles B,Petersen, Riaan L,Stanbury, Trevor V

, p. 7513 - 7516 (2001)

The conversion of (-)-2,3-O-isopropylidene-D-erythronolactone (9) into the N-phosphorylated aziridine 20, a model for the fundamental structure of aziridinomitosenes, has been accomplished in 11 steps by way of the vinylogous urethane 13. Key steps include the preparation of 13 by a Reformatsky reaction on a thiolactam precursor, Heck cyclisation of 13 to form the indole ring, and aziridine synthesis via a cyclic sulfite.

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