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220573-01-3

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220573-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220573-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,5,7 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220573-01:
(8*2)+(7*2)+(6*0)+(5*5)+(4*7)+(3*3)+(2*0)+(1*1)=93
93 % 10 = 3
So 220573-01-3 is a valid CAS Registry Number.

220573-01-3Relevant articles and documents

An enantio- and diastereoselective synthesis of (-)-isoretronecanol and (+)-trachelanthamidine from a meso precursor

Konno, Hiroyuki,Kishi, Masayo,Hiroya, Kou,Ogasawara, Kunio

, p. 33 - 37 (2007/10/03)

Two diastereomeric pyrrolizidine alkaloids, (-)-isoretronecanol and (+)- trachelanthamidine, have been synthesized in an enantio- and diastereoselective manner starting from a meso precursor via a catalytic asymmetrization.

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