Cas 643049-40-5,(3R,4S,4'S)-2-benzyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-4-isopropyl-1,2-isoxazolidin-5-one

643049-40-5

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Basic information

Product Name: (3R,4S,4'S)-2-benzyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-4-isopropyl-1,2-isoxazolidin-5-one
Synonyms:
CAS NO:643049-40-5
Molecular Formula:
Molecular Weight: 319.401
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: (3R,4S,4'S)-2-benzyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-4-isopropyl-1,2-isoxazolidin-5-one(CAS DataBase Reference)
NIST Chemistry Reference: (3R,4S,4'S)-2-benzyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-4-isopropyl-1,2-isoxazolidin-5-one(643049-40-5)
EPA Substance Registry System: (3R,4S,4'S)-2-benzyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-4-isopropyl-1,2-isoxazolidin-5-one(643049-40-5)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
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RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 643049-40-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 643049-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,4 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 643049-40:
(8*6)+(7*4)+(6*3)+(5*0)+(4*4)+(3*9)+(2*4)+(1*0)=145
145 % 10 = 5
So 643049-40-5 is a valid CAS Registry Number.

643049-40-5Upstream product

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643049-40-5Relevant academic research and scientific papers

Diastereoselective 1,3-dipolar cycloaddition of ynolates with chiral nitrones

Shindo, Mitsuru,Itoh, Kotaro,Ohtsuki, Keiko,Tsuchiya, Chinatsu,Shishido, Kozo

, p. 1441 - 1445 (2007/10/03)

Asymmetric inverse electron-demand 1,3-dipolar cycloaddition of ynolates with chiral nitrones produced 5-isoxazolidinones with good diastereoselectivity. These products were easily converted into optically pure β-amino acids and chiral γ-butyrolactones.

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