Cas 54689-98-4,2-(2,5-Dimethyl-benzylidene)-indan-1,3-dione

54689-98-4

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Basic information

Product Name: 2-(2,5-Dimethyl-benzylidene)-indan-1,3-dione
Synonyms:
CAS NO:54689-98-4
Molecular Formula:
Molecular Weight: 262.308
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: 2-(2,5-Dimethyl-benzylidene)-indan-1,3-dione(CAS DataBase Reference)
NIST Chemistry Reference: 2-(2,5-Dimethyl-benzylidene)-indan-1,3-dione(54689-98-4)
EPA Substance Registry System: 2-(2,5-Dimethyl-benzylidene)-indan-1,3-dione(54689-98-4)

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: 54689-98-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 54689-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,8 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54689-98:
(7*5)+(6*4)+(5*6)+(4*8)+(3*9)+(2*9)+(1*8)=174
174 % 10 = 4
So 54689-98-4 is a valid CAS Registry Number.

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54689-98-4Relevant academic research and scientific papers

Phosphine-Catalyzed Cascade Michael Addition/[4+2] Cycloaddition Reaction of Allenoates and 2-Arylidene-1,3-indanediones

Shi, Wangyu,Mao, Biming,Xu, Jiaqing,Wang, Qijun,Wang, Wei,Wu, Yongjun,Li, Xuefeng,Guo, Hongchao

, p. 2675 - 2680 (2020)

The phosphine-catalyzed cascade Michael addition/[4+2] cycloaddition reaction of tetrahydrobenzofuranone-derived allenoates and 2-arylidene-1,3-indanediones has been reported, affording spirocyclic 1,3-indanedione derivatives in moderate to high yields wi

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