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902142-06-7

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902142-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 902142-06-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,1,4 and 2 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 902142-06:
(8*9)+(7*0)+(6*2)+(5*1)+(4*4)+(3*2)+(2*0)+(1*6)=117
117 % 10 = 7
So 902142-06-7 is a valid CAS Registry Number.

902142-06-7Relevant articles and documents

Macrocyclic cyclo[n]malonates - Synthetic aspects and observation of columnar arrangements by X-ray crystallography

Chronakis, Nikos,Brandmueller, Torsten,Kovacs, Christian,Reuther, Uwe,Donaubauer, Wolfgang,Hampel, Frank,Fischer, Felix,Diederich, Francois,Hirsch, Andreas

, p. 2296 - 2308 (2006)

A variety of achiral and chiral macrocyclic oligomalonates were synthesised in a one-step procedure through condensation of malonyl dichloride with α,ω-diols. We have investigated the applicability of this method by varying the length and type of the spac

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