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502496-27-7

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502496-27-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 502496-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,4,9 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 502496-27:
(8*5)+(7*0)+(6*2)+(5*4)+(4*9)+(3*6)+(2*2)+(1*7)=137
137 % 10 = 7
So 502496-27-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H6F2N2/c7-4-1-5(8)3-6(2-4)10-9/h1-3,10H,9H2

502496-27-7Upstream product

502496-27-7Relevant articles and documents

Synthesis of Aryl Hydrazines via CuI/BMPO Catalyzed Cross-Coupling of Aryl Halides with Hydrazine Hydrate in Water

Kumar, Siripuram Vijay,Ma, Dawei

, p. 1003 - 1006 (2018)

The N,N’-bis(2,6-dimethylphenyl)oxalamide was discovered as a powerful ligand for Cu-catalyzed cross-coupling of aryl halides with hydrazine hydrate, leading to the formation of a variety of aryl hydrazines at 80 oC in water under the assistance of K3PO4 and 4 mol% cetyltrimethylammonium bromide from aryl bromides and aryl iodides. Good to excellent yields were observed in most cases.

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