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871842-54-5

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871842-54-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871842-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,4 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871842-54:
(8*8)+(7*7)+(6*1)+(5*8)+(4*4)+(3*2)+(2*5)+(1*4)=195
195 % 10 = 5
So 871842-54-5 is a valid CAS Registry Number.

871842-54-5Relevant articles and documents

Bridging of bipyridine units by phenylphosphine links: Linear and cyclic oligomers and some acid derivatives

Ziessel, Raymond F.,Charbonniere, Loic J.,Mameri, Samir,Camerel, Franck

, p. 9835 - 9840 (2007/10/03)

Reaction of 6,6′-dibromo-2,2′-bipyridine with phenylphosphine under palladium-promoted cross-coupling conditions provides a variety of linear oligomers bearing two reactive bromo substituents as well as a cyclic dimer, characterized by X-ray crystallograp

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