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33583-12-9

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33583-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33583-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,8 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33583-12:
(7*3)+(6*3)+(5*5)+(4*8)+(3*3)+(2*1)+(1*2)=109
109 % 10 = 9
So 33583-12-9 is a valid CAS Registry Number.

33583-12-9Downstream Products

33583-12-9Relevant articles and documents

General synthesis of pyrido[1,2-a]indoles via Pd-catalyzed cyclization of o-picolylbromoarenes

Chuentragool, Padon,Li, Zhou,Randle, Katrina,Mahchi, Faraj,Ochir, Ishmael,Assaf, Shadi,Gevorgyan, Vladimir

, p. 273 - 277 (2018)

An efficient Pd-catalyzed cyclization of o-picolylbromoarenes into pyridoindoles has been developed. This novel transformation, which proceeds through a not common for Pd catalysis L-to X-type pyridine ligand swap, provides an efficient route to aryl-, as well as to cyanopyrido[1,2-a]indoles, not easily accessible by existing cyclization methods.

An efficient synthesis of pyrido[1,2-a]indoles through aza-Nazarov type cyclization

Karthikeyan, Iyyanar,Arunprasath, Dhanarajan,Sekar, Govindasamy

, p. 1701 - 1704 (2015/03/03)

Transition metal free Br?nsted acid mediated synthesis of biologically important pyrido[1,2-a]indole scaffolds through aza-Nazarov type cyclization of readily available diaryl(2-pyridyl)methanol using formic acid has been developed. This methodology has b

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