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899818-57-6

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899818-57-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 899818-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,9,8,1 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 899818-57:
(8*8)+(7*9)+(6*9)+(5*8)+(4*1)+(3*8)+(2*5)+(1*7)=266
266 % 10 = 6
So 899818-57-6 is a valid CAS Registry Number.

899818-57-6Downstream Products

899818-57-6Relevant articles and documents

Nickel-catalyzed regioselective [2+2+2] cycloaddition of carboryne with alkynes

Qiu, Zaozao,Wang, Sunewang R.,Xie, Zuowei

, p. 4649 - 4652 (2010/08/06)

(Represented Chemical Equation) A View [2+2+2] a Kill: For the first time, nickel-catalyzed [2+2+2] cycloaddition reactions of alkynes or diynes with carboryne using 1-iodo-2-lithiocarborane as a precursor have been achieved. The mechanism is proposed after the structural confirmation of the key intermediate, nickelacyclopentene.

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