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22937-68-4

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22937-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22937-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,3 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22937-68:
(7*2)+(6*2)+(5*9)+(4*3)+(3*7)+(2*6)+(1*8)=124
124 % 10 = 4
So 22937-68-4 is a valid CAS Registry Number.

22937-68-4Relevant articles and documents

Synthesis and Analysis of Telechelic Polyisobutylenes for Hydrogen-Bonded Supramolecular Pseudo-Block Copolymers

Binder, Wolfgang H.,Kunz, Michael J.,Kluger, Christian,Hayn, Getraud,Saf, Robert

, p. 1749 - 1759 (2007/10/03)

New telechelic polyisobutylenes (PIB) with hydrogen-bonding motifs were prepared. Nucleobases such as thymine, uracil, and cytosine as well as chelate-type hydrogen-bonding donor-acceptors were affixed onto the end groups of the PIB. Starting with PIB of

Dioxa(2,7)pyrenophan, ein stark verzerrter, polycyclischer, aromatischer Kohlenwasserstoff

Bodwell, Graham J.,Bridson, John N.,Houghton, Tom J.,Kennedy, Jason W. J.,Mannion, Michael R.

, p. 1418 - 1420 (2007/10/03)

Keywords: Cyclophane; Fullerenfragmente; Gespannte Ringe; Pyrene

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