Cas 1146729-49-8,(4bR,9bR)-cis-4b,9b-dihydrobenzofuro[3,2-b]benzofuran

1146729-49-8

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Basic information

Product Name: (4bR,9bR)-cis-4b,9b-dihydrobenzofuro[3,2-b]benzofuran
Synonyms: (4bR,9bR)-cis-4b,9b-dihydrobenzofuro[3,2-b]benzofuran
CAS NO:1146729-49-8
Molecular Formula:
Molecular Weight: 210.232
EINECS: N/A
Product Categories: N/A
Mol File: 1146729-49-8.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: (4bR,9bR)-cis-4b,9b-dihydrobenzofuro[3,2-b]benzofuran(CAS DataBase Reference)
NIST Chemistry Reference: (4bR,9bR)-cis-4b,9b-dihydrobenzofuro[3,2-b]benzofuran(1146729-49-8)
EPA Substance Registry System: (4bR,9bR)-cis-4b,9b-dihydrobenzofuro[3,2-b]benzofuran(1146729-49-8)

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: 1146729-49-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1146729-49-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,6,7,2 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1146729-49:
(9*1)+(8*1)+(7*4)+(6*6)+(5*7)+(4*2)+(3*9)+(2*4)+(1*9)=168
168 % 10 = 8
So 1146729-49-8 is a valid CAS Registry Number.

1146729-49-8Upstream product

18221-50-6 dihydroxy-stilbene

1146729-49-8Downstream Products

1146729-49-8Relevant articles and documents

Asymmetric cyclization via oxygen cation radical: Enantioselective synthesis of cis-4b,9b-dihydrobenzofuro[3,2-b]benzofurans

Masutani, Kouta,Irie, Ryo,Katsuki, Tsutomu

, p. 36 - 37 (2002)

Aerobic oxidative cyclization of 2,2′-dihydroxystilbenes via oxygen cation radical to give cis-4b,9b-dihydrobenzofuro[3,2-b]benzofurans was carried out in an enantioselective manner (up to 89% ee) by using (nitrosyl)Ru(salen) 10 as the catalyst under phot

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