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7-chloro-1-methyl-4-phenylamino[1,2,4]triazolo[4,3-a]quinazolin-5(4H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1085995-58-9

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1085995-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1085995-58-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,5,9,9 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1085995-58:
(9*1)+(8*0)+(7*8)+(6*5)+(5*9)+(4*9)+(3*5)+(2*5)+(1*8)=209
209 % 10 = 9
So 1085995-58-9 is a valid CAS Registry Number.

1085995-58-9Downstream Products

1085995-58-9Relevant academic research and scientific papers

Guanidine-annelated heterocycles XVI. A practical synthesis of 7-chloro-4-phenylamino[1,2,4]triazolo-quinazolin-5(4H)-ones

Hsu, Wen-Chuan,Shan, Pei-Wen,Huang, Yi-Chen,Liu, Kang-Chien,Chang, Tsu-Chung

, p. 2421 - 2428 (2011/04/17)

The triazolo[2,3-a]quinazolin-5(4H)-ones 9a-c can be prepared via Dimroth rearrangement by treatment of 5 with representative carboxylic acid orthoesters 6a-c each heating at 40 °C more elevated temperature than the preparation of their analogous triazolo[4,3-a] isomers 7a-c. The Japan Institute of Heterocyclic Chemistry.

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