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662157-81-5

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662157-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 662157-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,2,1,5 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 662157-81:
(8*6)+(7*6)+(6*2)+(5*1)+(4*5)+(3*7)+(2*8)+(1*1)=165
165 % 10 = 5
So 662157-81-5 is a valid CAS Registry Number.

662157-81-5Relevant articles and documents

Synthesis and biological activities of diflunisal hydrazide-hydrazones

Kuecuekguezel, S. Gueniz,Mazi, Adil,Sahin, Fikrettin,Oeztuerk, Suzan,Stables, James

, p. 1005 - 1014 (2003)

Several diflunisal hydrazide-hydrazone derivatives namely 2',4'-difluoro-4-hydroxybiphenyl-3-carboxylic acid [(5-nitro-2-furyl/substitutedphenyl)methylene] hydrazide (3a-o) have been synthesised. Methyl 2',4'-difluoro-4-hydroxybiphenyl-3-carboxylate (1) a

Synthesis of novel diflunisal hydrazide-hydrazones as anti-hepatitis C virus agents and hepatocellular carcinoma inhibitors

Senkardes, Sevil,Kaushik-Basu, Neerja,Durmaz, Irem,Manvar, Dinesh,Basu, Amartya,Atalay, Rengul,Guniz Kucukguzel

, p. 301 - 308 (2016)

Hepatitis C virus (HCV) infection is a main cause of chronic liver disease, leading to liver cirrhosis and hepatocellular carcinoma (HCC). The objective of our research was to develop effective agents against viral replication. We have previously identifi

Synthesis of some novel heterocyclic compounds derived from diflunisal hydrazide as potential anti-infective and anti-inflammatory agents

Kuecuekguezel, S. Gueniz,Kuecuekguezel, Ilkay,Tatar, Esra,Rollas, Sevim,Sahin, Fikrettin,Guelluece, Medine,De Clercq, Erik,Kabasakal, Levent

, p. 893 - 901 (2008/03/17)

Three novel series of 2′,4′-difluoro-4-hydroxybiphenyl-3-carboxylic acid derivatives namely 4-substituted-1,2,4-triazoline-3-thiones (4a-g); 2-substituted-1,3,4-thiadiazoles (5a-g) and 2-substituted-1,3,4-oxadiazoles (6a-g) have been synthesized. Twenty-o

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