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879122-55-1

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879122-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 879122-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,1,2 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 879122-55:
(8*8)+(7*7)+(6*9)+(5*1)+(4*2)+(3*2)+(2*5)+(1*5)=201
201 % 10 = 1
So 879122-55-1 is a valid CAS Registry Number.

879122-55-1Relevant articles and documents

Heterocyclic synthesis with nitriles: Synthesis of some new thiophene, pyridazine, oxazine, thiopyran, pyrrole, and pyrrolo[1,2-b]pyridazine derivatives

Abdelrazek, Fathy M.

, p. 2251 - 2258 (2005)

2-Phenyl-1,1,3-tricyanopropene[α-(cyanomethyl)benzylidene- malononitrile] undergoes bromination with N-bromosuccinimide (NBS) to afford 2-phenyl-1,1,3-tricyano-3-bromopropene: [α(bromocyanomethyl)benzylidene malononitrilel. This bromo derivative undergoes reactions with sodium hydrogen sulfide, hydrazine hydrate, phenyl hydrazine, hydroxylamine hydrochloride, ethyl thioglycollate, urea derivatives, and cyanacetohydrazide to afford thiophene, 4H-pyridazines, 4H-oxazine and 4H-thiopyran, N-substituted pyrrole, and pyrrolof[1,2-b]pyridazine derivatives respectively. Copyright Taylor & Francis, Inc.

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