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Ethanone, 2,2'-(9H-fluoren-9-ylidene)bis[1-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73249-91-9

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73249-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73249-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,4 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73249-91:
(7*7)+(6*3)+(5*2)+(4*4)+(3*9)+(2*9)+(1*1)=139
139 % 10 = 9
So 73249-91-9 is a valid CAS Registry Number.

73249-91-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 9,9-bis(benzoylmethyl)fluorene

1.2 Other means of identification

Product number -
Other names 9,9-Diphenacyl-fluoren

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:73249-91-9 SDS

73249-91-9Relevant academic research and scientific papers

Photochemical Reaction of 2,4,4,6-Tetrasubstituted 1,4-Dihydropyridines in Deaerated Media: Photocolouration and Photorearrangement accompanying Dehydrogenation

Shibuya, Junko,Nabeshima, Mami,Nagano, Hajime,Maeda, Koko

, p. 1607 - 1612 (2007/10/02)

The photochemical colour change of 2,2,4,6-tetraphenyl-1,4-dihydropyridine (1) in deaerated solutions from colourless to violet, which has been reported as a photochromic phenomenon, was found to be an irreversible change and to give 2,3,4,6-tetraphenylpy

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