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753457-75-9

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753457-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 753457-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,3,4,5 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 753457-75:
(8*7)+(7*5)+(6*3)+(5*4)+(4*5)+(3*7)+(2*7)+(1*5)=189
189 % 10 = 9
So 753457-75-9 is a valid CAS Registry Number.

753457-75-9Relevant articles and documents

Synthesis, spectroscopic studies, and x-ray crystal structure of N-heteryliminophosphoranes

Alkhathlan,Al-Jaradah,Al-Farhan,Mousa

, p. 373 - 388 (2007/10/03)

N-[2-(α-Bromoacetyl)phenyl]imides (prepared in two steps from 2-aminoacetophenone) gave, upon treatment with sodium azide, fused azidoquinolines via an intramolecular cyclization. Reaction of the above azides with phosphines gave N-heteryliminophosphoranes. The IR, 1H-, 13C-, and 31P-NMR and MS spectra of these compounds as well as the x-ray crystal structure of two of them is reported.

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