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1206893-55-1

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1206893-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1206893-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,6,8,9 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1206893-55:
(9*1)+(8*2)+(7*0)+(6*6)+(5*8)+(4*9)+(3*3)+(2*5)+(1*5)=161
161 % 10 = 1
So 1206893-55-1 is a valid CAS Registry Number.

1206893-55-1Relevant articles and documents

Design, synthesis and antiviral evaluation of novel acyclic phosphonate nucleotide analogs with triazolo[4,5-b]pyridine, imidazo[4,5-b]pyridine and imidazo[4,5-b]pyridin-2(3H)-one systems

Hartwich, Anna,Zdzienicka, Nee,Schols, Dominique,Andrei, Graciela,Snoeck, Robert,G?owacka, Iwona E.

, p. 542 - 591 (2020)

A new series of phosphonylated triazolo[4,5-b]pyridine (1-deaza-8-azapurine), imidazo[4,5-b]pyridine (1-deazapurine) and imidazo[4,5-b]pyridin-2(3H)-one (1-deazapurin-8-one) were synthesized from 2-chloro-3-nitropyridine and selected diethyl ?-aminoalkylp

DAST mediated preparation of β-fluoro-α-aminophosphonates

Ka?mierczak, Marcin,Koroniak, Henryk

, p. 23 - 27 (2012/06/30)

Herein, we report a new and convenient method for the synthesis of β-fluoro-α-aminophosphonates starting from naturally occurring l-amino acids. A key step in the synthetic protocol involves nucleophilic fluorination of N,N-dibenzylated-β-amino alcohols with diethylaminosulfur trifluoride (DAST).

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