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Spiro[2,4-cyclopentadiene-1,3'-[3H]pyrazolo[5,1-c][1,2,4]triazole], 6'-methyl-2,3,4,5,7'-pentaphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72403-82-8

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72403-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72403-82-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,0 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 72403-82:
(7*7)+(6*2)+(5*4)+(4*0)+(3*3)+(2*8)+(1*2)=108
108 % 10 = 8
So 72403-82-8 is a valid CAS Registry Number.

72403-82-8Downstream Products

72403-82-8Relevant academic research and scientific papers

Reactions with Diazoazoles, VII. 3H-Azolo-1,2,4-triazoles by 1,8- or 1,12-Electrocyclizations of 3H-Pyrazol-3-one- or 3H-Indazol-3-one (Diorganylmethylene)hydrazones, Respectively

Ege, Guenter,Gilbert, Karlheinz,Heck, Reinhard

, p. 1726 - 1747 (2007/10/02)

3H-Azolo-1,2,4-triazoles 3 are formed by cycloreactions of diazoazoles 1 with diazoalkanes 2 and with fluorene-N-,P-,S-ylides 4, respectively, (Method A) or by cyclizing dehydrogenation of diorganylmethanone (1H-azol-3-yl)hydrazones 7 (Method B).In both m

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