Cas 143250-75-3,(3S,4R)-4-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-dibenzylamino-ethyl]-3-formylamino-4,5-dihydro-3H-pyrazole-3-carboxylic acid ethyl ester

143250-75-3

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Basic information

Product Name: (3S,4R)-4-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-dibenzylamino-ethyl]-3-formylamino-4,5-dihydro-3H-pyrazole-3-carboxylic acid ethyl ester
Synonyms:
CAS NO:143250-75-3
Molecular Formula:
Molecular Weight: 538.762
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: (3S,4R)-4-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-dibenzylamino-ethyl]-3-formylamino-4,5-dihydro-3H-pyrazole-3-carboxylic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (3S,4R)-4-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-dibenzylamino-ethyl]-3-formylamino-4,5-dihydro-3H-pyrazole-3-carboxylic acid ethyl ester(143250-75-3)
EPA Substance Registry System: (3S,4R)-4-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-dibenzylamino-ethyl]-3-formylamino-4,5-dihydro-3H-pyrazole-3-carboxylic acid ethyl ester(143250-75-3)

Safety Data

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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 143250-75-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143250-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,5 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143250-75:
(8*1)+(7*4)+(6*3)+(5*2)+(4*5)+(3*0)+(2*7)+(1*5)=103
103 % 10 = 3
So 143250-75-3 is a valid CAS Registry Number.

143250-75-3Upstream product

143250-75-3Downstream Products

143250-75-3Relevant academic research and scientific papers

Cycloaddition reactions of γ-amino α,β-didehydro amino acid esters: A test case for the principle of 1,3-allylic strain

Reetz,Kayser,Harms

, p. 3453 - 3456 (2007/10/02)

N,N-Dibenzylamino aldehydes, readily accessible from amino acids, can be converted into γ-N,N-dibenzylamino α,β-didehydro amino acid esters without racemization; these undergo stereoselective Diels-Alder reactions and 1,3-dipolar cycloaddition with diazom

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