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187851-81-6

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187851-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187851-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,8,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 187851-81:
(8*1)+(7*8)+(6*7)+(5*8)+(4*5)+(3*1)+(2*8)+(1*1)=186
186 % 10 = 6
So 187851-81-6 is a valid CAS Registry Number.

187851-81-6Relevant articles and documents

Solid-phase synthesis of cyclooctadepsipeptide PF1022A analogs using a cyclization-cleavage method with grime resin

Lee, Byung H.

, p. 757 - 760 (1997)

N-Methyloctadepsipeptides attached to an oxime resin were cyclized by heating them in refluxing ethyl acetate far 2 days to give cyclooctadepsipeptide PF1022A analogs.

Generation of a small library of cyclodepsipeptide PF1022A analogues using a cyclization-Cleavage method with oxime resin

Lee, Byung H.,Dutton, Fred E.,Thompson, David P.,Thomas, Eileen M.

, p. 353 - 356 (2007/10/03)

N-Methyloctadepsipeptides attached to an oxime resin were cyclized by heating them in refluxing ethyl acetate for 2 days to give cyclodepsipeptide PF1022A analogues. By using this method, we generated a small library of PF 1022A analogues (2), several of which possessed anthelmintic activity, based on an in vitro assay.

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