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16403-21-7

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16403-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16403-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,4,0 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16403-21:
(7*1)+(6*6)+(5*4)+(4*0)+(3*3)+(2*2)+(1*1)=77
77 % 10 = 7
So 16403-21-7 is a valid CAS Registry Number.

16403-21-7Downstream Products

16403-21-7Relevant articles and documents

Polystyrene-gallium trichloride complex: A mild, highly efficient, and recyclable polymeric lewis acid catalyst for chemoselective silylation of alcohols and phenols with hexamethyldisilazane

Rahmatpour, Ali,Vakili, Ali,Azizian, Setare

, p. 443 - 451 (2013/12/04)

Polystyrene-supported gallium trichloride (PS/GaCl3) as a highly active and reusable heterogeneous Lewis acid effectively activates hexamethyldisilazane (HMDS) for the efficient silylation of alcohols and phenols at room temperature. In this he

Fluorophosphoranes as Lewis acids. The conditions of access to hexacoordinated neutral adducts via the intramolecular addition of an electrondonor

Robert, Dominique,Gawad, Hoda Abdel,Riess, Jean G.

, p. 511 - 516 (2007/10/02)

The possibility of obtaining bicyclic neutral hexacoordinated fluorophosphorus adduct of type 2 was investigated for R=F, Me, Ph and X=O, S, NH, NMe, NtBu NPh.Adduct 2g was formed predominantly only in the case where R=F and X=S.In all the othe

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