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1-Nitroso-3-phenyl-4,5-dihydro-1H-pyrazole is a chemical compound with the molecular formula C9H10N2O. It is a derivative of pyrazole, a heterocyclic compound consisting of a five-membered ring with two nitrogen atoms and three carbon atoms. The 1-nitroso group (-N=O) is attached to the first carbon atom, while the 3-phenyl group (C6H5) is connected to the third carbon atom. The 4,5-dihydro prefix indicates that the compound has two additional hydrogen atoms attached to the fourth and fifth carbon atoms, making it a dihydro derivative. 1-nitroso-3-phenyl-4,5-dihydro-1H-pyrazole is of interest in organic chemistry and may have potential applications in the synthesis of various pharmaceuticals and other chemical products.

6456-05-9

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6456-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6456-05-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,5 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6456-05:
(6*6)+(5*4)+(4*5)+(3*6)+(2*0)+(1*5)=99
99 % 10 = 9
So 6456-05-9 is a valid CAS Registry Number.

6456-05-9Downstream Products

6456-05-9Relevant academic research and scientific papers

Unprecedented formation of Δ2-isoxazoline and/or 1-nitroso-pyrazoline from α-bromoketone oximes and diazo compounds

Guo, Jianhua,Gaudette, John,Cheng, Jie-Fei

, p. 933 - 935 (2009)

Reaction of α-bromoketone oximes with diazo compounds in the presence of a metal catalyst and base led to the unprecedented formation of two types of rings: Δ2-isoxazolines and 1-nitrosopyrazolines.

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