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603994-09-8

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603994-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 603994-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,3,9,9 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 603994-09:
(8*6)+(7*0)+(6*3)+(5*9)+(4*9)+(3*4)+(2*0)+(1*9)=168
168 % 10 = 8
So 603994-09-8 is a valid CAS Registry Number.

603994-09-8Relevant articles and documents

Approaches towards the total synthesis of carolacton: Synthesis of C1-C16 fragment

Reddy, Sheri Venkata,Prasanna Kumar,Ramakrishna, Kallaganti V.S.,Sharma, Gangavaram V.M.

, p. 2018 - 2022 (2015)

Abstract A stereoselective synthesis of the C1-C16 segment of biofilm inhibitor carolacton has been achieved. The synthetic strategy involves Sharpless asymmetric epoxidation, Roush crotylation, Steglich esterification, RCM reaction and selective reduction of a disubstituted olefin in the presence of a trisubstituted olefin using in situ generated diimide.

Studies toward the total synthesis of carolacton

Sabitha, Gowravaram,Shankaraiah,Prasad, M.Nagendra,S. Yadav, Jhillu

, p. 251 - 259 (2013/02/23)

An efficient synthesis of the C1-C19 segment of carolacton is described, starting from d-ribose, (-)-β-citronellene and a homopropargylic alcohol, and which employs a Nozaki-Hiyama-Kishi (NHK) coupling as the key step. Other important steps are cross-metathesis and Evans aldol reactions. Georg Thieme Verlag Stuttgart New York.

Stereochemical assignment of the C23-C35 portion of sphinxolide/reidispongiolide class of natural products by asymmetric synthesis

Zampella, Angela,Sepe, Valentina,D'Orsi, Rosa,Bifulco, Giuseppe,Bassarello, Carla,D'Auria, Maria Valeria

, p. 1787 - 1798 (2007/10/03)

The absolute configuration of the seven stereogenic centers contained in the C23-C35 portion of reidispongiolide A is determined by asymmetric synthesis of the corresponding fragment obtained by ozonolysis of the natural macrolide.

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