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72084-43-6

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72084-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72084-43-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,8 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72084-43:
(7*7)+(6*2)+(5*0)+(4*8)+(3*4)+(2*4)+(1*3)=116
116 % 10 = 6
So 72084-43-6 is a valid CAS Registry Number.

72084-43-6Upstream product

72084-43-6Downstream Products

72084-43-6Relevant articles and documents

Reactions of FeCH2(+) and CoCH2(+) with Aliphatic Alkanes in the Gas Phase. Activation of C-H and C-C Bonds by Naked Transition-Metal Carbene Ions

Jacobson, D. B.,Freiser, B. S.

, p. 4373 - 4378 (1985)

Gas-phase reactions of the title carbenes with several aliphatic alkanes using Fourier transform mass spectrometry (FTMS) ,are described.CoCH2(+) reacts with alkanes larger than methane whereas FeCH2(+) reacts with alkanes larger than ethane.Both FeCH2(+) and CoCH2(+) react predominantly by initial C-H bond insertion with some C-C bond insertion also observed.As a consequence of facile carbene-alkyl coupling, C-C bond cleavage processes proceed predominantly with elimination of the original carbene incorporated into the departing alkane neutral.In addition a small amount of C-C bond formation product is also observed.Finally, a greater degree of H/D scrambling is observed for CoCD2(+) than for FeCD2(+).

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