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1318890-68-4

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1318890-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1318890-68-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,8,8,9 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1318890-68:
(9*1)+(8*3)+(7*1)+(6*8)+(5*8)+(4*9)+(3*0)+(2*6)+(1*8)=184
184 % 10 = 4
So 1318890-68-4 is a valid CAS Registry Number.

1318890-68-4Downstream Products

1318890-68-4Relevant articles and documents

Copper-catalyzed, aerobic oxidative cross-coupling of alkynes with arylboronic acids: Remarkable selectivity in 2,6-lutidine media

Yasukawa, Tomohiro,Miyamura, Hiroyuki,Kobayashi, Sh

supporting information; experimental part, p. 6208 - 6210 (2011/10/10)

Aerobic oxidative cross-coupling reactions between alkynes and boronic acids under mild conditions catalyzed by low loadings of a copper salt are reported. 2,6-Lutidine accelerated the reactions dramatically, and the desired coupling products were obtained in high yields with high selectivities.

Transition-metal-free alkynylation of aryl chlorides

Truong, Thanh,Daugulis, Olafs

supporting information; experimental part, p. 4172 - 4175 (2011/10/02)

Two sets of conditions have been developed for a base-mediated, transition-metal-free alkynylation of aryl chlorides that proceeds via benzyne intermediates. The first set of conditions involves the use of TMPLi base in a pentane/THF mixture at 25 °C. The

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