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662157-83-7

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662157-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 662157-83-7 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 662157-83:
(8*6)+(7*6)+(6*2)+(5*1)+(4*5)+(3*7)+(2*8)+(1*3)=167
167 % 10 = 7
So 662157-83-7 is a valid CAS Registry Number.

662157-83-7Downstream Products

662157-83-7Relevant 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 (2007/10/03)

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

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