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284469-95-0

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284469-95-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 284469-95-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,4,4,6 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 284469-95:
(8*2)+(7*8)+(6*4)+(5*4)+(4*6)+(3*9)+(2*9)+(1*5)=190
190 % 10 = 0
So 284469-95-0 is a valid CAS Registry Number.

284469-95-0Upstream product

284469-95-0Relevant articles and documents

Total synthesis of amamistatin A, an antiproliferative linear peptide from an actinomycete

Yokokawa, Fumiaki,Izumi, Kentaro,Omata, Junko,Shioiri, Takayuki

, p. 3027 - 3034 (2007/10/03)

Amamistatin A, a linear lipopeptide and a growth inhibitor of human tumor cell lines from an actinomycete, was efficiently synthesized by a convergent approach. The asymmetric synthesis of β-hydroxy acid fragment was achieved by using chiral oxazaborolidinone mediated aldol reaction. The oxazole ring was constructed from N-acylthreonine via side-chain oxidation and cyclodehydration. The synthesis of the linear peptide was carded out in a stepwise manner from the cyclic hydroxamic acid fragment, and the final deprotection provided amamistatin A. (C) 2000 Elsevier Science Ltd.

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