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111649-98-0

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111649-98-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111649-98-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,6,4 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111649-98:
(8*1)+(7*1)+(6*1)+(5*6)+(4*4)+(3*9)+(2*9)+(1*8)=120
120 % 10 = 0
So 111649-98-0 is a valid CAS Registry Number.

111649-98-0Relevant articles and documents

TOTAL SYNTHESIS OF (S)-(-) AND (R)-(+)-FRONTALIN AND OF (-)-MALYNGOLIDE FROM THE BRANCHED-CHAIN SUGAR "α"-D-ISOSACCHARINO-LACTONE AS CHIRAL TEMPLATE

Trinh, Minh-Chau,Florent, Jean-Claude,Monneret, Claude

, p. 6633 - 6644 (2007/10/02)

Highly enantiomerically pure (S)-(-) 2 and (R)-(+)-frontalin 3 and (-)-malyngolide 4 were synthesized from the common chiral building block, (2R)-1,2-O-isopropylidene-2-hydroxymethyl-pent-4-ene-1,2-diol 9 readily prepared in five steps and 35percent overa

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