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77889-22-6

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77889-22-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77889-22-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,8 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77889-22:
(7*7)+(6*7)+(5*8)+(4*8)+(3*9)+(2*2)+(1*2)=196
196 % 10 = 6
So 77889-22-6 is a valid CAS Registry Number.

77889-22-6Downstream Products

77889-22-6Relevant articles and documents

Dihydroimidazoles in Synthesis: C-Alkylation of 1-Benzyl-2-(α-lithioalkyl)-4,5-dihydroimidazoles and a Synthesis of Alkanoic Acids

Anderson, Michael W.,Jones, Raymond C. F.,Saunders, John

, p. 205 - 210 (2007/10/02)

1-Benzyl-2-alkyl-4,5-dihydroimidazoles have been (laterally) metallated and C-alkylated by reaction with alkyl halides and an epoxide; intramolecular C-alkylation has led to a tetrahydro-5H-pyrroloimidazole.Hydrolysis of the 4,5-dihydroimidazoles to produce alkanoic acids completes a homologation sequence.

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