Cas 129249-56-5,7-tert-Butyl-2-oxo-1-oxa-spiro[3.5]nonane-3-carboxylic acid methyl ester

129249-56-5

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Basic information

Product Name: 7-tert-Butyl-2-oxo-1-oxa-spiro[3.5]nonane-3-carboxylic acid methyl ester
Synonyms: 7-tert-Butyl-2-oxo-1-oxa-spiro[3.5]nonane-3-carboxylic acid methyl ester
CAS NO:129249-56-5
Molecular Formula:
Molecular Weight: 254.326
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-tert-Butyl-2-oxo-1-oxa-spiro[3.5]nonane-3-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 7-tert-Butyl-2-oxo-1-oxa-spiro[3.5]nonane-3-carboxylic acid methyl ester(129249-56-5)
EPA Substance Registry System: 7-tert-Butyl-2-oxo-1-oxa-spiro[3.5]nonane-3-carboxylic acid methyl ester(129249-56-5)

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: 129249-56-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 129249-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,4 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129249-56:
(8*1)+(7*2)+(6*9)+(5*2)+(4*4)+(3*9)+(2*5)+(1*6)=145
145 % 10 = 5
So 129249-56-5 is a valid CAS Registry Number.

129249-56-5Upstream product

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129249-56-5Relevant academic research and scientific papers

SELECTIVITY IN THE LACTONE FORMATION VIA C-H INSERTION REACTION OF DIAZOMALONATES

Lee, Eun,Jung, Kyung Woon,Kim, Yong Seong

, p. 1023 - 1026 (2007/10/02)

Rhodium(II)-acetate mediated intramolecular C-H insertation reactions of alkyl methyl diazomalonates result in the formation of β- and γ-lactones.The selectivity depends on both the substitution pattern of insertion centers and the conformational bias of metallocarbenes.

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