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214557-81-0

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214557-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 214557-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,5,5 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 214557-81:
(8*2)+(7*1)+(6*4)+(5*5)+(4*5)+(3*7)+(2*8)+(1*1)=130
130 % 10 = 0
So 214557-81-0 is a valid CAS Registry Number.

214557-81-0Relevant articles and documents

Selective fluorination of adamantanes by an electrochemical method

Aoyama, Motoshi,Fukuhara, Tsuyoshi,Hara, Shoji

, p. 4186 - 4189 (2008)

(Chemical Equation Presented) Selective fluorination of adamantanes was achieved by the electrochemical fluorination method, using Et3N-5HF as electrolyte and a fluorine source. Mono-, di-, tri-, and tetrafluoroadamantanes were selectively prepared from adamantanes by controlling the oxidation potential, and the fluorine atoms were introduced selectively at the tertiary carbons. Adamantanes that have functional groups such as ester, cyano, and acetoxymethyl were also fluorinated selectively.

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