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22794-89-4

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22794-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22794-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,9 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22794-89:
(7*2)+(6*2)+(5*7)+(4*9)+(3*4)+(2*8)+(1*9)=134
134 % 10 = 4
So 22794-89-4 is a valid CAS Registry Number.

22794-89-4Relevant articles and documents

A facile one pot synthesis of thiazolo[3,2-: A] benzimidazole and pyran fused polyheterocyclic scaffolds

Mariappan, Arumugam,Rajaguru, Kandasamy,Muthusubramanian, Shanmugam,Bhuvanesh, Nattamai

supporting information, p. 4196 - 4199 (2019/05/06)

An efficient synthesis of dihydro-4H-benzo[4,5]imidazo[2,1-b]pyrano[2,3-d]thiazole by a multicomponent route starting from 2-((1H-benzo[d]imidazol-2-yl)thio)-1-phenylethan-1-one, an aromatic aldehyde and malononitrile is described. This protocol features

Synthesis of difluorinated β-ketosulfones and novel gem-difluoromethylsulfone-containing heterocycles as fluorinated building blocks

Loghmani-Khouzani, Hossein,Hajiheidari, Dariush

experimental part, p. 561 - 569 (2010/05/18)

A series of new heterocyclic β-ketosulfides was prepared by the reaction of the corresponding heterocyclic thiols with α-bromoacetophenone and its derivatives. Oxidation of the products using m-CPBA gave the corresponding heterocyclic β-ketosulfones, whic

A convenient one-pot synthesis of 2-benzimidazolyl-thioacetophenones and thiazolo[3,2-a]benzimidazoles

Sarhan, Abd El-Wareth A.O.,El-Sherief, Hasan A.H.,Mahmoud, Abdalla M.

, p. 10485 - 10496 (2007/10/03)

2-Mercaptobenzimidazole (1) reacts with aromatic ketones 2a-d in acidified acetic acid giving 2-benzimidazolylthioacetophenones 3a-d, which on cyclization yield thiazolo[3,2-a]-benzimidazoles 4a-d. Acetylation of 3a,d gave the N-acetyl derivatives 5a,d. C

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