Cas 161990-20-1,(1S,3S,4R)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid methyl ester

161990-20-1

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Basic information

Product Name: (1S,3S,4R)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid methyl ester
Synonyms:
CAS NO:161990-20-1
Molecular Formula:
Molecular Weight: 386.448
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,3S,4R)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (1S,3S,4R)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid methyl ester(161990-20-1)
EPA Substance Registry System: (1S,3S,4R)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid methyl ester(161990-20-1)

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: 161990-20-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 161990-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,9 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161990-20:
(8*1)+(7*6)+(6*1)+(5*9)+(4*9)+(3*0)+(2*2)+(1*0)=141
141 % 10 = 1
So 161990-20-1 is a valid CAS Registry Number.

161990-20-1Upstream product

542-92-7 cyclopenta-1,3-diene

161990-20-1Downstream Products

1026983-26-5 (S)-1-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-3,5-diformyl-pyrrolidine-2-carboxylic acid methyl ester

161990-20-1Relevant academic research and scientific papers

On-site modification of oligopeptides: Conversion of seryl into (exo)-2-azabicyclo[2.2.1]hept-5-ene-3-carbonyl residues

Jaeger, Martin,Polborn, Kurt,Steglich, Wolfgang

, p. 861 - 864 (2007/10/02)

Diels-Alder addition of cyclopentadiene to Z-valyl-dehydroglycine methyl ester and similar peptides affords conformationally constrained (exo)-2-azabicyclo[2.2.1]hept-5-ene-3-carbonyl derivates 4 with high stereoselectivity. The stereochemistry of the cyc

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