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67639-25-2

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67639-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67639-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,3 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67639-25:
(7*6)+(6*7)+(5*6)+(4*3)+(3*9)+(2*2)+(1*5)=162
162 % 10 = 2
So 67639-25-2 is a valid CAS Registry Number.

67639-25-2Downstream Products

67639-25-2Relevant articles and documents

New synthesis and reactions of [Sm(OTf)2(DME)2], a salt-free samarium(II) triflate

Collin, Jacqueline,Giuseppone, Nicolas,Machrouhi, Fouzia,Namy, Jean-Louis,Nief, Francois

, p. 3161 - 3164 (2007/10/03)

A new, simple and high-yield synthesis of a salt-free samarium(II) triflate, [Sm(OTf)2(DME)2] is described. In stoichiometric amounts this derivative mediates typical samarium (II) coupling reactions such as pinacolisation, dimerisat

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