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6142-87-6

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6142-87-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6142-87-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,4 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6142-87:
(6*6)+(5*1)+(4*4)+(3*2)+(2*8)+(1*7)=86
86 % 10 = 6
So 6142-87-6 is a valid CAS Registry Number.

6142-87-6Upstream product

6142-87-6Downstream Products

6142-87-6Relevant articles and documents

Rotational spectra of isotopic furan-(argon)n, n=1,2, complexes and their vibrationally averaged structures

Spycher, R. M.,Hausherr-Primo, L.,Grassi, G.,Bauder, A.

, p. 7 - 18 (1995)

Pulsed nozzle Fourier transform microwave specroscopy has been used to observe the rotational spectrum of the furan-3,4-d2-(argon)2 van der Waaals complex.The rotational spectra of the furan-3-d-, furan-3,4-d2- and furan-d4-argon complexes have been measured in addition to the two previously measured isotopomers furan- and furan-2-d-argon.Rotational and quartic centrifugal distortion constants have been fitted for each isotopomer.Deuterium quadrupole coupling constants have been determined for the furan-3-d-argon complex from hyperfine splittings of the rotational transitions.A model considering the effects of large-amplitude van der Waals vibrations has been used for the determination of the intermolecular structural parameters.Argon has been located at a distance R=3.539(2) Angstroem from the center-of-mass of furan for the furan-argon complex.Argon has been found shifted towards the oxygen including an angle θ=9.7(2) deg between R and the principal axis c of furan.In the furan-(argon)2 complex, the two argon atoms assume symmetrical positions above and below the plane of furan with R and θ almost unchanged compared with the furan-argon complex.

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