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75465-87-1

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75465-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75465-87-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,6 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75465-87:
(7*7)+(6*5)+(5*4)+(4*6)+(3*5)+(2*8)+(1*7)=161
161 % 10 = 1
So 75465-87-1 is a valid CAS Registry Number.

75465-87-1Downstream Products

75465-87-1Relevant articles and documents

Unusual Course of the Reaction of α-Acyl-γ-butyrolactones with 2-(2,6-Dihalogenphenylimino)imidazolidines

Staehle, Helmut,Koeppe, Herbert,Daniel, Helmut,Pook, Karl-Heinz,Foerster, Hans-Joachim,et al.

, p. 2841 - 2851 (2007/10/02)

Heating of α-acyl-γ-butyrolactones 1 with 2-(2,6-dihalogenophenylimino)imidazolidines 5 in HMPT unexpectedly leads to 7-halogeno-2,6-dihydro-4-alkyl-5,6-ethano-1H-diazepinobenzimidazoles 7 in low yields.The structures of 7 are derived from spectroscopic data, oxidative degradation to benzimidazole derivative 9 and an X-ray structure analysis.A possible pathway for the formation of 7 is discussed.

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