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1244652-11-6

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1244652-11-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1244652-11-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,4,6,5 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1244652-11:
(9*1)+(8*2)+(7*4)+(6*4)+(5*6)+(4*5)+(3*2)+(2*1)+(1*1)=136
136 % 10 = 6
So 1244652-11-6 is a valid CAS Registry Number.

1244652-11-6Downstream Products

1244652-11-6Relevant articles and documents

Approaches to the synthesis of 2,3-dihaloanilines. Useful precursors of 4-functionalized-1 H-indoles

Guilarte, Veronica,Castroviejo, M. Pilar,Garcia-Garcia, Patricia,Fernandez-Rodriguez, Manuel A.,Sanz, Roberto

, p. 3416 - 3437 (2011/06/28)

2,3-Dihaloanilines have been proved as useful starting materials for synthesizing 4-halo-1H-indoles. Subsequent or in situ functionalization of the prepared haloindoles allows the access to a wide variety of 2,4- or 2,3,4-regioselectively functionalized indoles in good overall yields. As no efficient synthetic routes to 2,3-dihaloanilines have been described in the literature, different approaches to the preparation of these 1,2,3-functionalized aromatic precursors are now presented. The most general one involves a Smiles rearrangement from the corresponding 2,3-dihalophenols and allows the preparation of 2,3-dihaloanilides in a straightforward and synthetically useful manner.

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