[(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester

Modify Date: 2026-07-01 16:09:19

[(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester Structure
[(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester structure
Common Name [(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester
CAS Number 247068-82-2 Molecular Weight 271.353
Density 1.1±0.1 g/cm3 Boiling Point 369.8±37.0 °C at 760 mmHg
Molecular Formula C14H25NO4 Melting Point N/A
MSDS N/A Flash Point 177.5±26.5 °C

Summary: Cardifor intermediate, also known as tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate, CAS number 247068-82-2, molecular formula C14H25NO4, molecular weight 271.353. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 369.8±37.0 °C at 760 mmHg
Molecular Formula C14H25NO4
Molecular Weight 271.353
Flash Point 177.5±26.5 °C
Exact Mass 271.178345
PSA 71.42000
LogP 2.87
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.472
InChIKey DDMPMIMTLBGEHT-IINYFYTJSA-N
SMILES CC(C)CC(NC(=O)OC(C)(C)C)C(=O)C1(C)CO1

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~25%

[(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester Structure

[(1S)-3-Methyl-...

CAS#:247068-82-2

Learn More
Literature: CREIGHTON UNIVERSITY; THE REGENTS OF THE UNIVERSITY OF CALIFORNIA; MURRAY, Thomas F.; GERWICK, William H.; PEREIRA-BADILLA, Alban R.; KALE, Andrew; BYRUM, Tara; DEBONSI, Hosana; MOORE, Bradley S.; GILSON, Michael Kenneth; FENLEY, Andrew Patent: WO2013/9923 A1, 2013 ; Location in patent: Sheet 4; 5 ;

~%

[(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester Structure

[(1S)-3-Methyl-...

CAS#:247068-82-2

Learn More
Literature: CREIGHTON UNIVERSITY; THE REGENTS OF THE UNIVERSITY OF CALIFORNIA; MURRAY, Thomas F.; GERWICK, William H.; PEREIRA-BADILLA, Alban R.; KALE, Andrew; BYRUM, Tara; DEBONSI, Hosana; MOORE, Bradley S.; GILSON, Michael Kenneth; FENLEY, Andrew Patent: WO2013/9923 A1, 2013 ;

~%

[(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic acid 1,1-dimethylethyl ester Structure

[(1S)-3-Methyl-...

CAS#:247068-82-2

Learn More
Literature: CENTRAX INTERNATIONAL, INC.; FAN, Xiaoqing, Michelle; CEN, Jian, James Patent: WO2014/18807 A1, 2014 ;

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Boc-leucine-epoxyketone
2-Methyl-2-propanyl {(2S)-4-methyl-1-[(2R)-2-methyl-2-oxiranyl]-1-oxo-2-pentanyl}carbamate
Carbamic acid, N-[(1S)-3-methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]-, 1,1-dimethylethyl ester
Boc-L-leucine epoxyketone

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: CAS number of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is 247068-82-2.
Q: What English synonyms does tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate have?
A: English synonyms of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate: Boc-leucine-epoxyketone, 2-Methyl-2-propanyl {(2S)-4-methyl-1-[(2R)-2-methyl-2-oxiranyl]-1-oxo-2-pentanyl}carbamate, Carbamic acid, N-[(1S)-3-methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]-, 1,1-dimethylethyl ester, Boc-L-leucine epoxyketone.
Q: What is the molecular weight of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: Molecular weight of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is 271.353.
Q: What is the SMILES notation of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: SMILES notation of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is CC(C)CC(NC(=O)OC(C)(C)C)C(=O)C1(C)CO1.
Q: What is the InChIKey of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: InChIKey of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is DDMPMIMTLBGEHT-IINYFYTJSA-N.
Q: What is the polar surface area (PSA) of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: Polar surface area (PSA) of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is 71.42000.
Q: What are the upstream materials of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: Related upstream materials(CAS) of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate: 247068-81-1;87694-50-6;13139-15-6.
Q: What is the boiling point of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: Boiling point of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is 369.8±37.0 °C at 760 mmHg.
Q: What is the English name of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: The English name of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate.
Q: What is the molecular formula of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate?
A: Molecular formula of tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate is C14H25NO4.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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