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4670-86-4

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4670-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4670-86-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,7 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4670-86:
(6*4)+(5*6)+(4*7)+(3*0)+(2*8)+(1*6)=104
104 % 10 = 4
So 4670-86-4 is a valid CAS Registry Number.
InChI:InChI=1/C20H12/c1-3-9-15-13(7-1)17-11-5-6-12-18-14-8-2-4-10-16(14)19(15)20(17)18/h1-12H

4670-86-4SDS

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 Benz[a]indeno[1,2,3-cd]azulene

1.2 Other means of identification

Product number -
Other names -

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:4670-86-4 SDS

4670-86-4Upstream product

4670-86-4Downstream Products

4670-86-4Relevant articles and documents

Thermolysis and photolysis of 1-substituted triptycenes. Divergent fragmentation pathways of the triptycyl skeleton

Tomioka, Hideo,Nakajima, Junichi

, p. 563 - 569 (2007/10/03)

While thermolysis of 1-benzyltriptycene 1a in the gas phase at 600°C/10-4 mmHg did not result in any appreciable decomposition, similar pyrolysis of compounds 1 bearing various substituents (X) at the benzyl methylene (1b-d) underwent smooth decomposition to give 8-benzylbenz[a]aceanthrylene 2. The reaction is explained in terms of homolysis of the C-X bond followed by triptycyl ring cleavage in the resulting benzyl radical 7. Generation of radical 7 in solution, however, did not result in a similar ring-opening reaction. Irradiation of compounds 1, on the other hand, afforded norcaradienes 3 almost exclusively, obviously as a result of di-π-methane rearrangement. No products resulting from a carbene species proposed to be involved in the di-π-methane reaction of triptycenes were detected. Thermolysis of compounds 3 gave not only compound 2 but also benz[a]aceanthrylene 4 and benz[a]indeno[1,2,3-cd]azulene 5 whose compositions were found to be sensitive to both the substituent (X) and the thermolysis temperature. Mechanisms of the reactions are discussed in terms of the relationship between the thermal and photochemical fragmentations.

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