Cas 151621-28-2,5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopenta<ef>heptalene

151621-28-2

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Basic information

Product Name: 5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopentaheptalene
Synonyms: 5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopentaheptalene
CAS NO:151621-28-2
Molecular Formula:
Molecular Weight: 477.646
EINECS: N/A
Product Categories: N/A
Mol File: 151621-28-2.mol
Article Data: 1

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopentaheptalene(CAS DataBase Reference)
NIST Chemistry Reference: 5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopentaheptalene(151621-28-2)
EPA Substance Registry System: 5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopentaheptalene(151621-28-2)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 151621-28-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 151621-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,6,2 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 151621-28:
(8*1)+(7*5)+(6*1)+(5*6)+(4*2)+(3*1)+(2*2)+(1*8)=102
102 % 10 = 2
So 151621-28-2 is a valid CAS Registry Number.

151621-28-2Upstream product

151621-28-2Downstream Products

489-84-9 7-isopropyl-1,4-dimethyl-azulene

151621-28-2Relevant articles and documents

Novel Dimerization of 3-(2-Nitroethenyl)guaiazulene. A Convenient Route to Cyclopentaheptalene

Kurokawa, Shinji

, p. 1109 - 1112 (1993)

Dimerization of 3-(2-nitroethenyl)guaiazulene with sodium methylate gave 5-(1-guaiazulenyl)-5,6-dihydro-9-isopropyl-1-methyl-4-nitrocyclopentahepatalene (3).On treatment with formic acid, 3 was converted into 9-isopropyl-1-methyl-4-nitrocyclopentaheptalene quantitatively.A combination of the reactions provides a convenient route to the cyclopentaheptalene derivatives.

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