Cas 340180-11-2,4,4-bis(benzyloxycarbonyl)-1,7-bis[(4-methoxycarbonyl)phenyl]hepta-1,6-diyne

340180-11-2

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Basic information

Product Name: 4,4-bis(benzyloxycarbonyl)-1,7-bis[(4-methoxycarbonyl)phenyl]hepta-1,6-diyne
Synonyms: 4,4-bis(benzyloxycarbonyl)-1,7-bis[(4-methoxycarbonyl)phenyl]hepta-1,6-diyne
CAS NO:340180-11-2
Molecular Formula:
Molecular Weight: 628.678
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: 4,4-bis(benzyloxycarbonyl)-1,7-bis[(4-methoxycarbonyl)phenyl]hepta-1,6-diyne(CAS DataBase Reference)
NIST Chemistry Reference: 4,4-bis(benzyloxycarbonyl)-1,7-bis[(4-methoxycarbonyl)phenyl]hepta-1,6-diyne(340180-11-2)
EPA Substance Registry System: 4,4-bis(benzyloxycarbonyl)-1,7-bis[(4-methoxycarbonyl)phenyl]hepta-1,6-diyne(340180-11-2)

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: 340180-11-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 340180-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,1,8 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 340180-11:
(8*3)+(7*4)+(6*0)+(5*1)+(4*8)+(3*0)+(2*1)+(1*1)=92
92 % 10 = 2
So 340180-11-2 is a valid CAS Registry Number.

340180-11-2Upstream product

619-44-3 methyl 4-iodobenzoate

340180-11-2Downstream Products

340180-11-2Relevant academic research and scientific papers

Ir and Rh complex-catalyzed intramolecular alkyne-alkyne couplings with carbon monoxide and isocyanides

Shibata, Takanori,Yamashita, Koji,Katayama, Emi,Takagi, Kentaro

, p. 8661 - 8667 (2002)

Intramolecular [2+2+1] cycloaddition of diynes with carbon monoxide was catalyzed by Vaska's complex (IrCl(CO)(PPh3)2) or IrCl(cod)(dppp), and cyclopentadienones were obtained in good to high yields. The first catalytic synthesis of

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