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845640-45-1

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845640-45-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 845640-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,5,6,4 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 845640-45:
(8*8)+(7*4)+(6*5)+(5*6)+(4*4)+(3*0)+(2*4)+(1*5)=181
181 % 10 = 1
So 845640-45-1 is a valid CAS Registry Number.

845640-45-1Relevant articles and documents

Water-soluble [2.2]paracyclophane chromophores with large two-photon action cross sections

Woo, Han Young,Hong, Janice W.,Liu, Bin,Mikhailovsky, Alexander,Korystov, Dmitry,Bazan, Guillermo C.

, p. 820 - 821 (2005)

A series of α,ω-donor-substituted distyrylbenzene dimers held together by the [2.2]paracyclophane core were designed, synthesized, and characterized. Different substituents were chosen to modulate the strength of the donor nitrogen groups and to allow the

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