Cas 620972-12-5,C20H25NO7

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Check Digit Verification of cas no

The CAS Registry Mumber 620972-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,9,7 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 620972-12:
(8*6)+(7*2)+(6*0)+(5*9)+(4*7)+(3*2)+(2*1)+(1*2)=145
145 % 10 = 5
So 620972-12-5 is a valid CAS Registry Number.

620972-12-5Upstream product

620972-12-5Downstream Products

620972-13-6 C₂₁H₂₇NO₆

620972-12-5Relevant articles and documents

Stereoselective Intramolecular [4 + 3] Cycloadditions of Nitrogen-Stabilized Chiral Oxyallyl Cations via Epoxidation of N-Tethered Allenamides

Xiong, Hui,Huang, Jian,Ghosh, Sunil K.,Hsung, Richard P.

, p. 12694 - 12695 (2007/10/03)

The first intramolecular [4 + 3] cycloaddition reaction using nitrogen-stabilized chiral oxyallyl cations that are tethered to furan or diene through the nitrogen atom is described here. Formation of these nitrogen-stabilized chiral oxyallyl cations is ac

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620972-12-5