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187875-16-7

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187875-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187875-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,8,7 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 187875-16:
(8*1)+(7*8)+(6*7)+(5*8)+(4*7)+(3*5)+(2*1)+(1*6)=197
197 % 10 = 7
So 187875-16-7 is a valid CAS Registry Number.

187875-16-7Downstream Products

187875-16-7Relevant articles and documents

Homo- and heterocoupling of terminal conjugated enynes: One-pot synthesis of alka-1,7-diene-3,5-diynes and alk-1-ene-3,5-diynes via two types of coupling reaction

Hoshi, Masayuki,Okimoto, Mitsuhiro,Nakamura, Shingo,Takahashi, Shinya

experimental part, p. 3839 - 3847 (2012/01/04)

Conjugated dienediynes and enediynes with definite geometry- have been prepared in a one-pot manner. This protocol involves two types of coupling reaction, a Suzuki-type coupling and either a Hay coupling or a Cadiot-Chodkiewicz coupling. Thus, the copper

Construction of terminal conjugated enynes: Cu-mediated cross-coupling reaction of alkenyldialkylborane with (trimethylsilyl)ethynyl bromide

Hoshi, Masayuki,Kawamura, Noritsugu,Shirakawa, Kazuya

, p. 1961 - 1970 (2007/10/03)

The cross-coupling reaction of (E)- and (Z)-alk-1-enyldialkylborane with (trimethylsilyl)ethynyl bromide proceeds in the presence of a catalytic amount of copper(II) acetylacetonate and a base under extremely mild conditions to provide conjugated enynes w

Stereoselective dehalogenation of (Z)-1-halo-1-alkenyldialkylborane with tributyltin hydride: The behavior of tributyltin hydride as a hydride donor

Hoshi, Masayuki,Takahata, Kimitomo,Arase, Akira

, p. 453 - 456 (2007/10/03)

The reaction of (Z)-1-halo-1-alkenyldialkylborane (1) with tributyltin hydride (n-Bu3SnH) at 0°C or room temperature results in reductive removal of the halogen atom to afford (E)- or (Z)-1-alkenyldialkylborane whose stereochemistry depends on the dialkylboryl group and the alkenyl group of 1.

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