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35022-09-4

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35022-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35022-09-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,0,2 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 35022-09:
(7*3)+(6*5)+(5*0)+(4*2)+(3*2)+(2*0)+(1*9)=74
74 % 10 = 4
So 35022-09-4 is a valid CAS Registry Number.

35022-09-4Downstream Products

35022-09-4Relevant articles and documents

Programmed Site-Selective Palladium-Catalyzed Arylation of Thieno[3,2-b]thiophene

Ha Vuong,Villemin, Didier,Nguyen, Hung-Huy,Le, Tin Thanh,Dang, Tung T.,Nguyen, Hien

, p. 2819 - 2826 (2017)

Mono-, di-, tri-, and tetraarylated thieno[3,2-b]thiophenes were synthesized by direct site-selective Pd-catalyzed C?H activation reactions with various aryl bromides in the presence of a phosphine-free Pd(OAc)2/KOAc catalyst system in N,N-dimethylacetamide (DMAc). The arylation of 2-arylthieno[3,2-b]thiophene took place at the C3 position if the 2-aryl substituents possessed electron-withdrawing groups and at the C5 position if they were bulky and possessed electron-donating groups.

Acid-base-responsive intense charge-transfer emission in donor-acceptor-conjugated fluorophores

Inouchi, Toshifumi,Nakashima, Takuya,Kawai, Tsuyoshi

supporting information, p. 2542 - 2547 (2014/10/15)

Herein we report on the synthesis and acid-responsive emission properties of donor-acceptor (D-A) molecules that contain a thienothiophene unit. 2-Arylthieno[3,2-b]thiophenes were conjugated with an N-methylbenzimidazole unit to form acid-responsive D-A-t

Synthesis of New 2-Arylthienothiophenes

Prim, Damian,Kirsch, Gilbert

, p. 2603 - 2606 (2007/10/02)

2-Arylthienothiophenes 1 have been synthesized by palladium catalysed arylation reactions of thienothiophene 2 and intramolecular cyclisations of 2,3-substituted thiophenes 7.A comparative study of the different methods is presented.

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