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74827-20-6

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74827-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74827-20-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,2 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74827-20:
(7*7)+(6*4)+(5*8)+(4*2)+(3*7)+(2*2)+(1*0)=146
146 % 10 = 6
So 74827-20-6 is a valid CAS Registry Number.

74827-20-6Downstream Products

74827-20-6Relevant articles and documents

ADDITION OF 5-MEMBERED AROMATIC HETEROCYCLIC COMPOUNDS TO ACETYLENES CATALYZED BY TETRARHODIUM DODECACARBONYL: SYNTHESES OF VINYL SUBSTITUTED AROMATIC HETEROCYCLIC COMPOUNDS

Hong, Pangbu,Cho, Bo-Re,Yamazaki, Hiroshi

, p. 507 - 510 (2007/10/02)

In the presence of a catalytic amount of Rh4(CO)12 furan adds to diphenylacetylene (1a) to give 1-(2-furyl)-1,2-diphenylethylene in a 80percent yield.Similarly, from 2-substituted furans are obtained the adducts (3e-3h), in which the furyls attach to the olefin at the 5-position of the rings, in good yields.Thiophene and N-methylpyrrole also react with 1a to afford the corresponding ethylenes.

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