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79249-74-4

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79249-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79249-74-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,2,4 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79249-74:
(7*7)+(6*9)+(5*2)+(4*4)+(3*9)+(2*7)+(1*4)=174
174 % 10 = 4
So 79249-74-4 is a valid CAS Registry Number.

79249-74-4Relevant articles and documents

Base Catalysed Rearrangements involving Ylide Intermediates. Part 13. Further Rearrangements of 2-Oxidoanilinium Ylides

Ollis, W. David,Somanathan, Ratnasamy,Sutherland, Ian O.

, p. 2930 - 2942 (2007/10/02)

The 2-oxidoanilinium ylides (7) rearrange on heating to give the ethers (10) together with the dienones (8) and the phenols (11) for cases where the aromatic ring has a 5-alkyl substituent or a mixture of the dienones (8) and (12) for cases where the aromatic ring is 3,5-disubstituted.A study of the deuteriated ylides (25) shows that these reactions involve competing concerted and radical-pair processes.The base-catalysed rearrangements of the 2-hydroxy-N-pentadienylanilinium salts (33) give the ethers (34) and the phenols (35): these products result from competing concerted and rearrangements of the ylides (36) corresponding to the salts (33).

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