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120607-71-8

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120607-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120607-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,0 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 120607-71:
(8*1)+(7*2)+(6*0)+(5*6)+(4*0)+(3*7)+(2*7)+(1*1)=88
88 % 10 = 8
So 120607-71-8 is a valid CAS Registry Number.

120607-71-8Downstream Products

120607-71-8Relevant articles and documents

Synthesis of Various Pyrazole-1-carbonylindoles

Hiremath, Shivayogi P.,Ullagaddi, Ashok,Sekhar, K. Raja,Purohit, Muralidhar G.

, p. 758 - 762 (2007/10/02)

Indole-2-carbohydrazides (1a-n) when heated with acetylacetone and ethyl acetoacetate in methanol afford the substituted 2-(3',5'-dimethylpyrazole-1'-carbonyl)indoles (2a-n) and 3-methyl-1(2'-indolyl)-5(4H)-pyrazolones (3e-a), respectively in good yields.The schiff's bases (4a-h) from hydrazides (1a-h) and acetophenone on reaction with POCl3 and DMF produce the substituted 2-(4'-formyl-3'-phenylpyrazole-1'-carbonyl)indoles (5a-h).Indole-3-carboxaldehydes (6a-f) undergo condensation with ethyl cyanoacetate and malononitrile to give the acrylonitriles 7a-f and 9a-e which on reaction with hydrazine hydrate yield 3-amino-5-hydroxy-4-(3'-indolylmethylene)pyrazoles (8a-f) and 3,5-diamino-4-(3'-indolylmethylene)pyrazoles (10a-e), respectively.Similarly indole-2-carboxaldehydes (11a-d) react with ethyl cyanoacetate and hydrazine hydrate to furnish the respective pyrazoles (13a-d).

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