Cas 68962-99-2,1,9-bis-(o-ethynylphenyl)-4-methylnona-1,3,6,8-tetraen-5-one

68962-99-2

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Basic information

Product Name: 1,9-bis-(o-ethynylphenyl)-4-methylnona-1,3,6,8-tetraen-5-one
Synonyms: 1,9-bis-(o-ethynylphenyl)-4-methylnona-1,3,6,8-tetraen-5-one
CAS NO:68962-99-2
Molecular Formula:
Molecular Weight: 348.444
EINECS: N/A
Product Categories: N/A

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: 1,9-bis-(o-ethynylphenyl)-4-methylnona-1,3,6,8-tetraen-5-one(CAS DataBase Reference)
NIST Chemistry Reference: 1,9-bis-(o-ethynylphenyl)-4-methylnona-1,3,6,8-tetraen-5-one(68962-99-2)
EPA Substance Registry System: 1,9-bis-(o-ethynylphenyl)-4-methylnona-1,3,6,8-tetraen-5-one(68962-99-2)

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: 68962-99-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 68962-99-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,6 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68962-99:
(7*6)+(6*8)+(5*9)+(4*6)+(3*2)+(2*9)+(1*9)=192
192 % 10 = 2
So 68962-99-2 is a valid CAS Registry Number.

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68962-99-2Relevant academic research and scientific papers

Synthesis and Properties of Trimethyltetradehydroannulenone and its Benzannelated Derivatives

Ojima, Juro,Kanazawa, Keiko,Kusaki, Kiyomi,Wada, Kazuyo

, p. 473 - 480 (2007/10/02)

Syntheses of 2,7,12-trimethyl-8,9,10,11-tetradehydrocycloheptadecenone (5), 10,15- (6) and 8,15-dimethyl-16,17,18,19-tetradehydrobenzocycloheptadecen-9-one (7), and 8-methyl-18,19,20,21-tetradehydrodibenzocycloheptadecen-9-one (8) are described.The 1

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