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103391-83-9

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103391-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103391-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,9 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103391-83:
(8*1)+(7*0)+(6*3)+(5*3)+(4*9)+(3*1)+(2*8)+(1*3)=99
99 % 10 = 9
So 103391-83-9 is a valid CAS Registry Number.

103391-83-9Relevant articles and documents

Two-Step Procedure for the Synthesis of 1,2,3,4-Tetrahydro-quinolines

Doye, Sven,Warsitz, Michael

, p. 6997 - 7014 (2020/12/01)

A new two-step procedure that includes an initial regioselective intermolecular hydroaminoalkylation of ortho-chlorostyrenes with N-methylanilines and a subsequent intramolecular Buchwald–Hartwig amination gives direct access to 1,2,3,4-tetrahydroquinolines. The hydroaminoalkylation reaction of the ortho-chlorostyrenes is catalyzed by a 2,6-bis(phenylamino)pyridinato titanium complex which delivers the linear regioisomers with high selectivities. In addition, the formation of unexpected dihydroaminoalkylation products from styrenes and N-methylanilines is reported.

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