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1131890-91-9

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1131890-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1131890-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,8,9 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1131890-91:
(9*1)+(8*1)+(7*3)+(6*1)+(5*8)+(4*9)+(3*0)+(2*9)+(1*1)=139
139 % 10 = 9
So 1131890-91-9 is a valid CAS Registry Number.

1131890-91-9Downstream Products

1131890-91-9Relevant articles and documents

On-water, microwave-assisted, Pd-catalyzed synthesis of indoles from imines and o-difunctionalized arenes

Barluenga, José,Jiménez-Aquino, Agustín,Aznar, Fernando,Valdés, Carlos

supporting information; experimental part, p. 11707 - 11711 (2010/11/04)

Regioselectively substituted indoles are prepared by a Pd-catalyzed C-C/C-N bond-forming sequence from imines and o-dihaloarenes or o-haloarene sulfonates. The heterogeneous reaction as a suspension in water and under microwave heating offers important advantages in comparison with the conventional reaction in an organic solvent, among them, operational simplicity, the employment of KOH solutions instead of alkoxides, and a dramatic reduction of reaction times.

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