Cas 345292-85-5,2,4-Diphenyl-cyclopenta-1,4-dienecarboxylic acid ethyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 345292-85-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,2,9 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 345292-85:
(8*3)+(7*4)+(6*5)+(5*2)+(4*9)+(3*2)+(2*8)+(1*5)=155
155 % 10 = 5
So 345292-85-5 is a valid CAS Registry Number.

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345292-85-5Relevant articles and documents

CYCLIC TRIMERIZATION OF ACETYLENES TO FULVENES

Chukhadzhyan, G. A.,Abramyan, Zh. I.,Tonyan, G. M.,Sagradyan, L. I.,Elbakyan, T. S.

, p. 1636 - 1640 (2007/10/02)

The catalytic transformation of acetylene and its derivatives at palladium complexes was investigated.Acetylene, phenylacetylene, and tert-butylacetylene are converted into the fulvene valence isomers of benzene in the presence of cationic bisarene complexes of palladium Pd(AlCl4)2*2C6H6 and Pd(Al3Cl7)2*2C6H6 and also in the presence of Pd(OAc)2 and Pd.

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345292-85-5