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197293-89-3

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197293-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197293-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,9 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 197293-89:
(8*1)+(7*9)+(6*7)+(5*2)+(4*9)+(3*3)+(2*8)+(1*9)=193
193 % 10 = 3
So 197293-89-3 is a valid CAS Registry Number.

197293-89-3Downstream Products

197293-89-3Relevant articles and documents

Reaction of N1-Acylacetamidrazones with Trifluoroacetylvinyl Ethers. Synthesis of New 4-Trifluoromethyl- and 6-Trifluoromethylpyridines

Cocco, Maria Teresa,Congiu, Cenzo,Onnis, Valentina,Bernard, Angela Maria,Piras, Pier Paolo

, p. 1283 - 1290 (2007/10/03)

The reaction between N1-acylacetamidrazones 1 and enol ether 2 is described. Depending on the reaction conditions and on the substitution pattern of amidrazones 2-acylhydrazino-4-methyl-6-trifluoromethylpyridines 3 and/or 2-acylhydrazino-6-methyl-4-trifluoromethylpyridines 4 were obtained.

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