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82109-83-9

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82109-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82109-83-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82109-83:
(7*8)+(6*2)+(5*1)+(4*0)+(3*9)+(2*8)+(1*3)=119
119 % 10 = 9
So 82109-83-9 is a valid CAS Registry Number.

82109-83-9Relevant articles and documents

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Moore,Marion

, p. 187,190 (1953)

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III. Thioanalogs of sparteine lactams. (+)-17-Thionosparteine and its perchlorate salt

Wysocka, Waleria,Kolano?, Renata,Borowiak, Teresa,Dutkiewicz, Grzegorz

, p. 563 - 570 (2007/10/03)

(+)-17-Thionosparteine and its perchlorate have been obtained and characterized by IR and NMR-spectroscopy as well as by X-ray diffraction analysis. Introduction of the thiolactam group into the cis-quinolizidine system causes conformational rigidity of t

Lactams of sparteine

Golebiewski, W. Marek,Spenser, Ian D.

, p. 716 - 719 (2007/10/02)

(2,2-2H2)Sparteine, (6-2H)sparteine, (10,10-2H2)sparteine, (15,15-2H2)sparteine, (17α-2H)sparteine, (17β-2H)sparteine, (17,17-2H2)sparteine, (17α-2H)lupanine, and (17β-2H)lupanine were prepared and employed to assign the 1H nmr spectrum of sparteine.Contrary to a published report, photochemical oxidation of sparteine does not lead to 15-oxosparteine but to 17-oxosparteine.

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