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2,3,4,5,6-Pentaphenyl-1-p-tolyl-pyridinium; bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123555-91-9

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123555-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123555-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,5 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123555-91:
(8*1)+(7*2)+(6*3)+(5*5)+(4*5)+(3*5)+(2*9)+(1*1)=119
119 % 10 = 9
So 123555-91-9 is a valid CAS Registry Number.

123555-91-9Upstream product

123555-91-9Relevant academic research and scientific papers

FERRICYANIDE OXIDATION OF 1-SUBSTITUTED PENTAPHENYLPYRIDINIUM SALTS. A NOVEL ROUTE TO 1-SUBSTITUTED 2,3,4,5-TETRAPHENYLPYRROLES

Boehm, Stanislav,Slavik, Hanus,Kuthan, Josef

, p. 200 - 205 (2007/10/02)

Oxidation of 1-substituted 2,3,4,5,6-pentaphenylpyridinium salts Ia-Ij by potassium ferricyanide in an alkaline medium yields the corresponding 1-substituted 2,3,4,5-tetraphenylpyrroles in 68 to 76percent yields.The selectivity of the reaction is discusse

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