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121003-82-5

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121003-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121003-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,0 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121003-82:
(8*1)+(7*2)+(6*1)+(5*0)+(4*0)+(3*3)+(2*8)+(1*2)=55
55 % 10 = 5
So 121003-82-5 is a valid CAS Registry Number.

121003-82-5Downstream Products

121003-82-5Relevant articles and documents

Double Capture of Difluorocarbene by 2-Aminostyrenes Enables the Construction of 3-(2,2-Difluoroethyl)-2-fluoroindoles

Sheng, Heyun,Su, Jianke,Li, Xin,Li, Xue,Song, Qiuling

supporting information, p. 7781 - 7786 (2021/10/25)

We report herein an efficient strategy to construct 3-(2,2-difluoroethyl)-2-fluoroindoles from activated o-aminostyrenes with ethyl bromodi-fluoroacetate as a difluorocarbene source. Through double capture of a difluorocarbene, two different types of fluo

THE TERTIARY AMINO EFFECT IN HETEROCYCLIC SYNTHESIS: MECHANISTIC AND COMPUTATIONAL STUDY OF THE FORMATION OF SIX-MEMBERED RINGS

Groenen, L.C.,Verboom, W.,Nijhuis, W.H.N.,Reinhoudt, D.N.,Van Hummel, G.J.,Feil, D.

, p. 4637 - 4644 (2007/10/02)

The mechanism of the ring closure of -propanedinitrile (2a) to 1,2,3,3a,4,5-hexahydropyrroloquinoline-4,4-dicarbonitrile (3a) has been studied by kinetic measurements using (1)H-NMR spectroscopy.It could be shown

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