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1416634-20-2

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1416634-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1416634-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,6,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1416634-20:
(9*1)+(8*4)+(7*1)+(6*6)+(5*6)+(4*3)+(3*4)+(2*2)+(1*0)=142
142 % 10 = 2
So 1416634-20-2 is a valid CAS Registry Number.

1416634-20-2Downstream Products

1416634-20-2Relevant articles and documents

Diversity oriented synthesis of a vinblastine-templated library of 7-aryl-octahydroazonino[5,4-b]indoles via a three-component reaction

Fokas, Demosthenes,Kaselj, Mira,Isome, Yuko,Wang, Zhimin

, p. 49 - 58 (2013/03/14)

A vinblastine-templated library of 7-aryl-octahydroazonino[5,4-b]indoles was prepared by a three-component reaction from indolizino[8,7-b]indoles, chloroformates, and activated arenes via a chloroformate mediated fragmentation of the indolizinoindole nucleus followed by insertion of an activated arene. In addition to N3-carbamoyl-7-aryl-octahydroazonino[5,4-b]indoles prepared in one step, a wide range of N3-substituted substrates were synthesized in one pot via the derivatization of a versatile N3-H-azonino[5,4-b]indole intermediate generated in situ by application of the same strategy. A subset of 308 compounds out of a virtual library of 3216, representing 13 different chemotypes, was prepared by high throughput solution-phase synthesis and subsequently purified by mass-triggered high performance liquid chromatography (HPLC). A total of 188 compounds with a minimum purity of 80% by UV214 nm and 85% by evaporative light scattering detection (ELSD) was isolated for primary screening.

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