Basic information

Product Name: 3-hydroxy-7,9-dimethoxy-6H-[1]benzofuro[3,2-c]chromen-6-one
Synonyms: 6H-Benzofuro(3,2-c)(1)benzopyran-6-one, 3-hydroxy-7,9-dimethoxy-
CAS NO:77331-73-8
Molecular Formula: C₁₇H₁₂O₆
Molecular Weight: 312.2736
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: 551.8°C at 760 mmHg
Flash Point: 287.5°C
Appearance: N/A
Density: 1.439g/cm³
Vapor Pressure: 8.76E-13mmHg at 25°C
Refractive Index: 1.668
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 3-hydroxy-7,9-dimethoxy-6H-[1]benzofuro[3,2-c]chromen-6-one(CAS DataBase Reference)
NIST Chemistry Reference: 3-hydroxy-7,9-dimethoxy-6H-[1]benzofuro[3,2-c]chromen-6-one(77331-73-8)
EPA Substance Registry System: 3-hydroxy-7,9-dimethoxy-6H-[1]benzofuro[3,2-c]chromen-6-one(77331-73-8)

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: 77331-73-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 77331-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,3 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77331-73:
(7*7)+(6*7)+(5*3)+(4*3)+(3*1)+(2*7)+(1*3)=138
138 % 10 = 8
So 77331-73-8 is a valid CAS Registry Number.

77331-73-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	3-hydroxy-7,9-dimethoxy-[1]benzofuro[3,2-c]chromen-6-one

1.2 Other means of identification

Product number	-
Other names	7-Hydroxy-10,12-dimethoxycoumestan

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:77331-73-8 SDS

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77331-73-8Relevant academic research and scientific papers

SYNTHESIS AND STRUCTURAL PROOF OF WAIROL, A NEW COUMESTAN FROM MEDICAGO SATIVA

Shaw, G. John,Yates, Martin K.,Biggs, David R.

, p. 249 - 250 (1982)

Wairol, a coumestan from Medicago sativa, has been synthesized and its structure thereby has been confirmed.Key Word Index - Medicago sativa; Leguminosae; synthesis; 3-hydroxy-7,9-dimethoxycoumestan; wairol.

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