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125217-79-0

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125217-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125217-79-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,2,1 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 125217-79:
(8*1)+(7*2)+(6*5)+(5*2)+(4*1)+(3*7)+(2*7)+(1*9)=110
110 % 10 = 0
So 125217-79-0 is a valid CAS Registry Number.

125217-79-0Relevant articles and documents

A facile and efficient synthesis of (±)-tropan-2-one

Lomenzo,Enmon,Troyer,Trudell

, p. 3681 - 3690 (1995)

The facile and efficient multigram synthesis of (±)-tropan-2-one 1 was achieved in six steps (65% overall yield) from N-methyl-3-oxopyridyl hydroiodide 3.

ASYMMETRIC 1,3-DIPOLAR CYCLOADDITION OF CHIRAL SULPHINYLETHENES WITH 1-METHYL-3-OXIDOPYRIDINIUM AND SOME NITRONES

Takahashi, Tamiko,Fujii, Akihito,Sugita, Jun,Hagi, Toru,Kitano, Kazuyoshi,et al.

, p. 1379 - 1390 (2007/10/02)

1,3-Dipolar cycloaddition of (R)-(+)-p-tolyl vinyl sulphoxide 1 with 1-methyl-3-oxidopyridinium 6 proceeded in a diastereoselective manner to afford the exo and endo cycloadducts 11a,b and 12a in 36percent, 7percent and 29percent yield, respectively.The a

1,3-Dipolar Cycloaddition of 1-Methyl-3-oxidopyridinium and Sulfonylethenes. A Synthesis of 2-Tropanols and Monofluorinated 2-Tropanol

Takahashi, Tamiko,Hagi, Toru,Kitano, Kazuyoshi,Takeuchi, Yoshio,Koizumi, Toru

, p. 593 - 596 (2021/10/14)

2α- and 2β-Tropanols were synthesized by 1,3-dipolar cycloaddition of phenyl vinyl sulfone and 1-methyl-3-oxidopyridinium regio- and stereoselectively.The method was extended to a preparation of 6α-fluoro-2β-tropanol from 1-(benzenesulfonyl)-1-fluoroethene.

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