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51169-41-6

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51169-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51169-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,6 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51169-41:
(7*5)+(6*1)+(5*1)+(4*6)+(3*9)+(2*4)+(1*1)=106
106 % 10 = 6
So 51169-41-6 is a valid CAS Registry Number.

51169-41-6Relevant academic research and scientific papers

Hydrazinophosphorus Compounds. 2. Mass Spectra of Diphenylphosphino- and Diarylphosphorohydrazides

El-Deek, Mohamed

, p. 171 - 172 (1980)

The mass spectra of diphenylphosphino- and diarylphosphorohydrazides have been examined.Diphenylphosphinohydrazide (Ia) behaves in a manner comparable to derivatives having the diphenylphosphinyl moiety (Ib-e).The molecular ion of diarylphosphorohydrazide

Hydrazinophosphorus Compounds. 5. Reaction of 1,3-Dicarbonyl Compounds with Diarylphosphoro- and Diphenylthiophosphinohydrazides

El-Deek, Mohamed,El-Sawi, Emtithal,Mohamed, Madina

, p. 340 - 342 (2007/10/02)

1,3-Dicarbonyl compounds (III) reacted with the phosphorus hydrazides to give the corresponding hydrazones.When the hydrazones of ethylacetoacetate were heated at their melting points, they were converted to the corresponding pyrazolin-5-ones.The spectral

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