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53397-66-3

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53397-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53397-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,3,9 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 53397-66:
(7*5)+(6*3)+(5*3)+(4*9)+(3*7)+(2*6)+(1*6)=143
143 % 10 = 3
So 53397-66-3 is a valid CAS Registry Number.
InChI:InChI=1/C16H10/c1-2-6-14-11-12-16-8-4-3-7-15(16)10-9-13(14)5-1/h1-10H/b10-9u,13-9-,15-10-

53397-66-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 5,6-didehydrodibenzo[2,1-a:2',1'-f][8]annulene

1.2 Other means of identification

Product number -
Other names 5,6-didehydrodibenzo<a,e>sym-Dibenzo-1,3,5-cyclooctatrien-7-yn

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:53397-66-3 SDS

53397-66-3Relevant articles and documents

Presumably Planar Derivatives of Tribenzocyclooctene: Synthesis of 10,11-Methano-1H-benzocycloocta-fluorene-1,14-dione and 1,1,14,14-Tetramethyl-10,11-methano-1H-benzo-cyclooctafluorene

Hou, Xue Long,Wong, Henry N. C.

, p. 1868 - 1869 (1987)

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Synthesis and Reactions of 3,4-Bis(trimethylsilyl)furan: Diels-Alder Cycloaddition, Friedel-Crafts Acylation, and Regiospecific Conversion to 3,4-Disubstituted Furans

Song, Zhi Zhong,Ho, Mei Sing,Wong, Henry N. C.

, p. 3917 - 3926 (2007/10/02)

As a versatile building block, 3,4-bis(trimethylsilyl)furan (1), conveniently obtained through a Diels-Alder reaction between 4-phenyloxazole and bis(trimethylsilyl)acetylene, was able to undergo Diels-Alder cycloadditions with dienophiles.In two separate

Crystal Structure of 5,6-Didehydrodibenzocyclo-octene

Graaff, Rudolf A.G. de,Gorter, Sybout,Romers, Cornelius,Wong, Henry N.C.,Sondheimer, Franz

, p. 478 - 480 (2007/10/02)

The structure of 5,6-didehydrobenzocyclo-octene C16H10 has been determined from single-crystal X-ray analysis by direct methods.The crystals are monoclinic, space group P21/c, Z=8, a=10.130(7), b=12.434(2), c=17.031(5) Angstroem, β=99.05(4) grad.Full-matrix least-squares refinement based on 1517 reflexions with intensities I>2?(I) and 527 non-significant ones in the range 2?(I)>I>?(I) converged to R(Rw)=0.053 (0.064) without and to R(Rw)=0.086 (0.066) including non-significant reflexions.The geometry of the two independent molecules A and B is slightly different, A being planar within 0.031 Angstroem, B within 0.174 Angstroem.The benzene rings in B are titled by 9.9 grad.The mean angular deformation of the acetylenic bonds is 26.0 grad.

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