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1253291-89-2

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1253291-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253291-89-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,2,9 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1253291-89:
(9*1)+(8*2)+(7*5)+(6*3)+(5*2)+(4*9)+(3*1)+(2*8)+(1*9)=152
152 % 10 = 2
So 1253291-89-2 is a valid CAS Registry Number.

1253291-89-2Relevant academic research and scientific papers

2-Aryl-5-arylsulfanyl-1,3-oxazole-4-carboxylic acids and their derivatives

Pil'o,Prokopenko,Brovarets,Drach

, p. 1345 - 1350 (2011/02/27)

A convenient preparative procedure has been developed for the synthesis of previously unknown 2- aryl-5-arylsulfanyl-1,3-oxazole-4-carboxylic acids and their functional derivatives from accessible multicenter substrates of the general formula Cl2C=C(NHCOR)C(O)OMe. The products turned out to be suitable for various subsequent transformations. Some oxazole-4-carboxylic acid hydrazide derivatives containing a substituted oxazol-5-yl fragment at the N2 atom in the hydrazine moiety underwent recyclization on heating in acetic acid; as a result, one oxazole ring was converted into 1,3,4-oxadiazole. Pleiades Publishing, Ltd., 2010.

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