Cas 143956-28-9,(1S,1aR,1bR,4S,5aR)-4-Isopropyl-1b-methyl-5-oxo-1-phenyl-tetrahydro-2-oxa-4a-aza-cyclopropa[a]pentalene-5a-carboxylic acid methyl ester

143956-28-9

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Basic information

Product Name: (1S,1aR,1bR,4S,5aR)-4-Isopropyl-1b-methyl-5-oxo-1-phenyl-tetrahydro-2-oxa-4a-aza-cyclopropa[a]pentalene-5a-carboxylic acid methyl ester
Synonyms:
CAS NO:143956-28-9
Molecular Formula:
Molecular Weight: 329.396
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: (1S,1aR,1bR,4S,5aR)-4-Isopropyl-1b-methyl-5-oxo-1-phenyl-tetrahydro-2-oxa-4a-aza-cyclopropa[a]pentalene-5a-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (1S,1aR,1bR,4S,5aR)-4-Isopropyl-1b-methyl-5-oxo-1-phenyl-tetrahydro-2-oxa-4a-aza-cyclopropa[a]pentalene-5a-carboxylic acid methyl ester(143956-28-9)
EPA Substance Registry System: (1S,1aR,1bR,4S,5aR)-4-Isopropyl-1b-methyl-5-oxo-1-phenyl-tetrahydro-2-oxa-4a-aza-cyclopropa[a]pentalene-5a-carboxylic acid methyl ester(143956-28-9)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 143956-28-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143956-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,5 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143956-28:
(8*1)+(7*4)+(6*3)+(5*9)+(4*5)+(3*6)+(2*2)+(1*8)=149
149 % 10 = 9
So 143956-28-9 is a valid CAS Registry Number.

143956-28-9Upstream product

116910-12-4 methyl 3-isopropyl-7a-methyl-5-oxo-2,3-dihydro-7aH-pyrrolo<2,1-b>oxazole-6-carboxylate

143956-28-9Downstream Products

143956-28-9Relevant academic research and scientific papers

An Asymmetric Route to Enantiomerically Pure 1,2,3-Trisubstituted Cyclopropanes

Romo, Daniel,Meyers, A. I.

, p. 6265 - 6270 (1992)

Cycloadditions of various sulfur ylides to the chiral unsaturated lactams 1a, 1b led to cyclopropanated products containing a monosubstituted appendage.The stereochemical outcome is such that all the products are mainly (or exclusively) the kinetically co

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