Cas 131387-56-9,5,6-Dimethoxy-3-(toluene-4-sulfonyl)-3H-isobenzofuran-1-one

131387-56-9

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Basic information

Product Name: 5,6-Dimethoxy-3-(toluene-4-sulfonyl)-3H-isobenzofuran-1-one
Synonyms:
CAS NO:131387-56-9
Molecular Formula:
Molecular Weight: 348.376
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: 5,6-Dimethoxy-3-(toluene-4-sulfonyl)-3H-isobenzofuran-1-one(CAS DataBase Reference)
NIST Chemistry Reference: 5,6-Dimethoxy-3-(toluene-4-sulfonyl)-3H-isobenzofuran-1-one(131387-56-9)
EPA Substance Registry System: 5,6-Dimethoxy-3-(toluene-4-sulfonyl)-3H-isobenzofuran-1-one(131387-56-9)

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: 131387-56-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 131387-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,8 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 131387-56:
(8*1)+(7*3)+(6*1)+(5*3)+(4*8)+(3*7)+(2*5)+(1*6)=119
119 % 10 = 9
So 131387-56-9 is a valid CAS Registry Number.

131387-56-9Upstream product

77619-89-7 3-hydroxy-5,6-dimethoxyisobenzofuran-1(3H)-one

131387-56-9Downstream Products

131387-56-9Relevant academic research and scientific papers

Boron Trifluoride Promoted Reaction of Arenesulfinic Acids with Phthalaldehydic Acids: Enroute to 3-Arylsulfonyl Phthalides

Murty, Kadiyala V.S.N.,Pal, Ranjan,Dutta, Kalyani,Mal, Dipakranjan

, p. 1705 - 1711 (2007/10/02)

The reaction of arenesulfinic acids 4 with phthalaldehydic acids 2 in the presence of boron trifluoride provides a practicable synthetic procedure for the preparation of 3-arylsulfonyl phthalides.

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