Cas 188990-91-2,(6bS,9R)-9-tert-Butyl-5-ethoxycarbonylmethyl-10-oxo-10H-8-oxa-9a-aza-pentaleno[2,1-a]naphthalene-6b-carboxylic acid methyl ester

188990-91-2

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Basic information

Product Name: (6bS,9R)-9-tert-Butyl-5-ethoxycarbonylmethyl-10-oxo-10H-8-oxa-9a-aza-pentaleno[2,1-a]naphthalene-6b-carboxylic acid methyl ester
Synonyms:
CAS NO:188990-91-2
Molecular Formula:
Molecular Weight: 425.481
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: (6bS,9R)-9-tert-Butyl-5-ethoxycarbonylmethyl-10-oxo-10H-8-oxa-9a-aza-pentaleno[2,1-a]naphthalene-6b-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (6bS,9R)-9-tert-Butyl-5-ethoxycarbonylmethyl-10-oxo-10H-8-oxa-9a-aza-pentaleno[2,1-a]naphthalene-6b-carboxylic acid methyl ester(188990-91-2)
EPA Substance Registry System: (6bS,9R)-9-tert-Butyl-5-ethoxycarbonylmethyl-10-oxo-10H-8-oxa-9a-aza-pentaleno[2,1-a]naphthalene-6b-carboxylic acid methyl ester(188990-91-2)

Safety Data

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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 188990-91-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 188990-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,9 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 188990-91:
(8*1)+(7*8)+(6*8)+(5*9)+(4*9)+(3*0)+(2*9)+(1*1)=212
212 % 10 = 2
So 188990-91-2 is a valid CAS Registry Number.

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188990-91-2Relevant academic research and scientific papers

A short synthesis of an enantiopure benzo[e]isoindolinone

Andrews, Mark D.,Brewster, Andrew G.,Chuhan, John,Ibbett, Ashley J.,Moloney, Mark G.,Prout, Keith,Watkin, David

, p. 305 - 308 (1997)

An enantiopure benzo[e]isoindolinone is available by a sequence involving the reaction of a phenyl substituted tetramic acid with two equivalents of a stabilised phosphorane Ph3P = CHCO2R (R = Et or t-Bu).

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