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pyridinium 4,4-dimethyl-2,6-dioxocyclohexylide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33978-74-4

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33978-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33978-74-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,7 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33978-74:
(7*3)+(6*3)+(5*9)+(4*7)+(3*8)+(2*7)+(1*4)=154
154 % 10 = 4
So 33978-74-4 is a valid CAS Registry Number.

33978-74-4Relevant academic research and scientific papers

HYDRAZONES FROM YLIDES AND DIAZONIUM SALTS: A CONVENIENT SPOT TEST FOR STABILIZED YLIDES OF PHOSPHORUS, ARSENIC, AND SULFUR

Froyen, Paul,Juvvik, Paul

, p. 83 - 92 (2007/10/02)

The reactions of a series of stabilized ylides of phosphorus, arsenic and sulfur with 2,4-dinitrobenzenediazonium tetrafluoroborate are described.The reaction courses, leading either to azo-onium salts (II), azo-onium ylides (III), formazanes (IV) or hydr

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