Cas 337973-20-3,3-methyl-3-(phenylseleno)-3,3a,8a-trihydrobenzo[b]furano[3,2-d]furan-2-one

337973-20-3

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Basic information

Product Name: 3-methyl-3-(phenylseleno)-3,3a,8a-trihydrobenzo[b]furano[3,2-d]furan-2-one
Synonyms: 3-methyl-3-(phenylseleno)-3,3a,8a-trihydrobenzo[b]furano[3,2-d]furan-2-one
CAS NO:337973-20-3
Molecular Formula:
Molecular Weight: 345.256
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: 3-methyl-3-(phenylseleno)-3,3a,8a-trihydrobenzo[b]furano[3,2-d]furan-2-one(CAS DataBase Reference)
NIST Chemistry Reference: 3-methyl-3-(phenylseleno)-3,3a,8a-trihydrobenzo[b]furano[3,2-d]furan-2-one(337973-20-3)
EPA Substance Registry System: 3-methyl-3-(phenylseleno)-3,3a,8a-trihydrobenzo[b]furano[3,2-d]furan-2-one(337973-20-3)

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: 337973-20-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 337973-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,9,7 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 337973-20:
(8*3)+(7*3)+(6*7)+(5*9)+(4*7)+(3*3)+(2*2)+(1*0)=173
173 % 10 = 3
So 337973-20-3 is a valid CAS Registry Number.

337973-20-3Upstream product

337973-20-3Downstream Products

337973-20-3Relevant academic research and scientific papers

Synthesis of benzofuranofuran derivatives: Model of natural products

Donate,Da Silva,Valdo,Da Silva,Aleman

, p. 141 - 150 (2001)

Several benzofuranofuran derivatives were synthesized employing intramolecular cycloaddition reactions of ketenes with alkenes. (Alkenyloxy)ketenes, prepared from the tosylate by treatment with triethylamine, easily undergo intramolecular [2 + 2] cycloadd

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