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1198463-59-0

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1198463-59-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1198463-59-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,4,6 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1198463-59:
(9*1)+(8*1)+(7*9)+(6*8)+(5*4)+(4*6)+(3*3)+(2*5)+(1*9)=200
200 % 10 = 0
So 1198463-59-0 is a valid CAS Registry Number.

1198463-59-0Relevant articles and documents

Stereoselective synthesis of the C13-C28 subunit of (-)-laulimalide utilizing an α-chlorosulfide intermediate

Raghavan, Sadagopan,Samanta, Pradip Kumar

, p. 1983 - 1987 (2013/09/24)

A stereoselective route to the C13-C28 subunit of (-)-laulimalide is described. l-Tartaric acid is the source of the hydroxy groups at C19 and C20. An α-chlorosulfide is employed as the key intermediate for the creation of the C17-C18 bond and the C16-C17 double bond was introduced using the Mislow-Braverman rearrangement and Hutchin's dexoxygenation with concomitant double bond transposition reaction. The C15 and C23 stereogenic centers were created using catalytic asymmetric reactions. The trisubstituted and trans-disubstituted alkenes were created stereoselectively by taking advantage of ring-closing metathesis and the Julia-Kocienski olefination reaction, respectively. Georg Thieme Verlag Stuttgart, New York.

Evaluating transition-metal-catalyzed transformations for the synthesis of laulimalide

Trost, Barry M.,Amans, Dominique,Seganish, W. Michael,Chung, Cheol K.

supporting information; experimental part, p. 17087 - 17089 (2010/03/23)

(Chemical Equation Presented) Laulimalide is a structurally unique 20-membered marine macrolide displaying microtubule stabilizing activity similar to that of paclitaxel and the epothilones. The use of atom-economical transformations such as a Rh-catalyze

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