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195833-30-8

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195833-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195833-30-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,8,3 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 195833-30:
(8*1)+(7*9)+(6*5)+(5*8)+(4*3)+(3*3)+(2*3)+(1*0)=168
168 % 10 = 8
So 195833-30-8 is a valid CAS Registry Number.

195833-30-8Downstream Products

195833-30-8Relevant articles and documents

A convenient synthesis of 3-polyfluoroalkyl pyrazoles and 6-polyfluoroalkyl pyrimidines from β-polyfluoroalkyl enaminones

Yu, Hong-Bin,Huang, Wei-Yuan

, p. 65 - 67 (2007/10/03)

3-Polyfluoroalkyl pyrazoles and 6-polyfluoroalkyl pyrimidines can be easily synthesized from the reactions of hydrazine monohydrate or amidine respectively with β-polyfluoroalkyl enaminones which are prepared by the nucleophilic substitution of the anion of a methyl ketone with N-aryl polyfluoroalkyl imidoyl iodides.

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