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15861-49-1

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15861-49-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15861-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,8,6 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15861-49:
(7*1)+(6*5)+(5*8)+(4*6)+(3*1)+(2*4)+(1*9)=121
121 % 10 = 1
So 15861-49-1 is a valid CAS Registry Number.

15861-49-1Relevant articles and documents

Transition-Metal-Free Synthesis of N-Arylphenothiazines through an N- And S-Arylation Sequence

Matsuzawa, Tsubasa,Hosoya, Takamitsu,Yoshida, Suguru

supporting information, p. 2347 - 2352 (2021/04/05)

An efficient synthetic method of N-arylphenothiazines from o-sulfanylanilines under transition-metal-free conditions is disclosed. An N- and S-arylation sequence of o-sulfanylanilines enabled us to synthesize a wide variety of N-arylphenothiazines. In par

A mild and facile synthesis of aryl and alkenyl sulfides via copper-catalyzed deborylthiolation of organoborons with thiosulfonates

Yoshida, Suguru,Sugimura, Yasuyuki,Hazama, Yuki,Nishiyama, Yoshitake,Yano, Takahisa,Shimizu, Shigeomi,Hosoya, Takamitsu

, p. 16613 - 16616 (2015/11/25)

An efficient deborylthiolation of aryl- and alkenylborons with thiosulfonates has been achieved under mild conditions using a copper catalyst. All steps of the experimental process were free from unpleasant odors. The mild reaction conditions as well as ready availability of boron compounds and thiosulfonates enabled easy access to an array of sulfides, including those bearing sensitive functional groups.

Preparation of optically active ortho-chloro- and ortho-bromophenyl sulfoxides

Imboden, Christoph,Renaud, Philippe

, p. 1051 - 1060 (2007/10/03)

The preparation of the diastereomerically pure menthyl (S)-2-chloro- and (S)-2-bromophenyl sulfinates by esterification of the corresponding sulfinic acids with (1R,2S,5R)-(-)-menthol and recrystallization/epimerization is reported. The two sulfinates have been converted into enantiomerically pure aryl, vinyl and alkyl sulfoxides by reaction with organomagnesium reagents. These sulfoxides are useful chiral auxiliaries to control the stereochemical outcome of radical reactions.

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