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4-(3-Nitro-phenyl)-1,3,6-triphenyl-1,4-dihydro-pyrano[2,3-c]pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78121-25-2

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78121-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78121-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,2 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78121-25:
(7*7)+(6*8)+(5*1)+(4*2)+(3*1)+(2*2)+(1*5)=122
122 % 10 = 2
So 78121-25-2 is a valid CAS Registry Number.

78121-25-2Downstream Products

78121-25-2Relevant academic research and scientific papers

Synthesis and some transformations of 4H-pyrano[3,2-d]pyrazoles

Mityurina,Kharchenko,Cherkesova

, p. 237 - 239 (1982)

The ability of the amide carbonyl group of the pyrazolone ring to participate in the heterocyclization of oxopropyl-5-pyrazolones under the influence of polyphosphoric acid (PPA) or phosphorus polysulfide in dioxane with the formation of 4H-pyrano[ 3,2-d]

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