Cas 137072-79-8,7-Oxo-7-phenyl-2,2a,7,7a-tetrahydro-1H-7λ<sup>5</sup>-phospha-cyclobuta[a]indene-2-carboxylic acid methyl ester

137072-79-8

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Basic information

Product Name: 7-Oxo-7-phenyl-2,2a,7,7a-tetrahydro-1H-7λ⁵-phospha-cyclobuta[a]indene-2-carboxylic acid methyl ester
Synonyms:
CAS NO:137072-79-8
Molecular Formula:
Molecular Weight: 312.305
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: 7-Oxo-7-phenyl-2,2a,7,7a-tetrahydro-1H-7λ⁵-phospha-cyclobuta[a]indene-2-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 7-Oxo-7-phenyl-2,2a,7,7a-tetrahydro-1H-7λ⁵-phospha-cyclobuta[a]indene-2-carboxylic acid methyl ester(137072-79-8)
EPA Substance Registry System: 7-Oxo-7-phenyl-2,2a,7,7a-tetrahydro-1H-7λ⁵-phospha-cyclobuta[a]indene-2-carboxylic acid methyl ester(137072-79-8)

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: 137072-79-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 137072-79-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,7 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137072-79:
(8*1)+(7*3)+(6*7)+(5*0)+(4*7)+(3*2)+(2*7)+(1*9)=128
128 % 10 = 8
So 137072-79-8 is a valid CAS Registry Number.

137072-79-8Upstream product

137072-79-8Downstream Products

137072-80-1 7-Oxo-7-phenyl-2,2a,7,7a-tetrahydro-1H-7λ⁵-phospha-cyclobuta[a]indene-2-carboxylic acid

137072-79-8Relevant academic research and scientific papers

Synthesis of the First Examples of 1-Benzophosphepines

Kurita, Jyoji,Shiratori, Shinichi,Yasuike, Shuji,Tsuchiya, Takashi

, p. 1227 - 1228 (2007/10/02)

Flash vacuum pyrolysis of 2a,7b-dihydro-3-phenyl-3H-cyclobutphosphindole 3-oxide 4, prepared from 1-phenyl-1H-phosphindole 1-oxide 1 via tree steps, results in ring-opening to give 1-phenyl-1-benzophosphepine 1-oxide 5, which, on treatment with trichlorosilane, undergoes deoxygenation to afford 1-phenyl-1-benzophosphepine 6.

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