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1-Buten-1-one, 3,3-dimethyl-2-[1,2,3-tris(1,1-dimethylethyl)-2-cyclopropen-1-yl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

66809-04-9

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66809-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66809-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66809-04:
(7*6)+(6*6)+(5*8)+(4*0)+(3*9)+(2*0)+(1*4)=149
149 % 10 = 9
So 66809-04-9 is a valid CAS Registry Number.

66809-04-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name tert-Butyl(1,2,3-tri-tert-butyl-2-cyclopropen-1-yl)keten

1.2 Other means of identification

Product number -
Other names tert-butyl-(1,2,3-tri-tert-butyl-cyclopropenyl)-ketene

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:66809-04-9 SDS

66809-04-9Downstream Products

66809-04-9Relevant academic research and scientific papers

Small Rings, 38. Tetra-tert-butyltetrahedrane

Maier, Guenther,Pfriem, Stephan,Schaefer, Ulrich,Malsch, Klaus-Dieter,Matusch, Rudolf

, p. 3965 - 3987 (2007/10/02)

The first synthesis of a tetrahedrane stabilized by sterically demanding substituents is described.Tetrahedrane 37 originates from irradiation of tetra-tert-butylcyclopentadienone (26), which can be prepared starting from the already known cyclopentadienone 5.It forms colourless stable crystals.At 135 deg C tetrahedrane 37 valenceisomerizes to the corresponding cyclobutadiene 36.This reaction can be reversed photochemically.

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