tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate

Name: tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate
Brand: Zemixal
SKU: ZX-023770

Reference StandardAvailable on request

Order tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate (CAS 247068-82-2) online at Zemixal…

Pack sizes

tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate chemical structure

CAS number247068-82-2

FormulaC₁₄H₂₅NO₄

Molar mass271.35 g/mol

Physical formSolid

HS code38229090

InChIKeyDDMPMIMTLBGEHT-IINYFYTJSA-N

IUPAC nametert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate

About tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate

tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate is supplied by Zemixal as a characterised reference material for Carfilzomib analysis. Key data (Reference Standard): CAS 247068-82-2, formula C14H25NO4 and molar mass 271.35 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H412). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Carfilzomib

See every impurity, metabolite and related compound we list for this API.

Carfilzomib standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate
Product name	tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate
Catalogue number	ZX-023770
CAS number	247068-82-2
IUPAC name	tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate
Molecular formula	C₁₄H₂₅NO₄
Molar mass	271.35 g/mol
Exact mass	271.1784
Grade	Reference Standard
Physical form	Solid
XLogP3	2.3
H-bond donors / acceptors	1 / 4
Topological polar surface area	67.9 Å²
HS code	38229090
InChIKey	DDMPMIMTLBGEHT-IINYFYTJSA-N
SMILES	CC(C)C[C@@H](C(=O)[C@]1(CO1)C)NC(=O)OC(C)(C)C
PubChem CID	57661776
Synonyms	N-[(1S)-3-Methyl-1-[[(2R)-2-Methyl-2-oxiranyl]carbonyl]butyl]-,1,1-diMethylethyl ester, 1,1-Dimethylethyl N-[(1S)-3-methyl-1-[[(2R)-2-methyl-2-oxiranyl]carbonyl]butyl]carbamate, 1,1-Dimethylethyl N-((1S)-3-methyl-1-(((2R)-2-methyl-2-oxiranyl)carbonyl)butyl)carbamate, Boc-L-leucine epoxyketone, Boc-leucine-epoxyketone, CS-M2423, [(1S)-3-Methyl-1-[[(2R)-2-methyloxiranyl]carbonyl]butyl]carbamic, (2S)-2-(Boc-amino)-4-Methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentane, (S)-2-(Boc-amino)-4-methyl-1-[(R)-2-methyloxiran-2-yl]-1-pentanone, (2S)-2-(Boc-amino)-4-Methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentane ee, tert-Butyl {(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl}carbamate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements P264, P264 + P265, P273, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate

Which CAS number identifies tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate?

tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate is registered under CAS 247068-82-2. You may also see it listed as N-[(1S)-3-Methyl-1-[[(2R)-2-Methyl-2-oxiranyl]carbonyl]butyl]-,1,1-diMethylethyl ester, 1,1-Dimethylethyl N-[(1S)-3-methyl-1-[[(2R)-2-methyl-2-oxiranyl]carbonyl]butyl]carbamate, 1,1-Dimethylethyl N-((1S)-3-methyl-1-(((2R)-2-methyl-2-oxiranyl)carbonyl)butyl)carbamate. Our catalogue number for this item is ZX-023770.

What are the formula and molar mass of tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate?

For tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate, its formula is C14H25NO4 and its molar mass is 271.35 g/mol. The systematic (IUPAC) name is tert-butyl N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate. InChIKey DDMPMIMTLBGEHT-IINYFYTJSA-N lets you match it in any structure database.

How is tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate used in pharmaceutical QC?

tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate is a characterised reference material linked to Carfilzomib. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate to my country?

Yes. Because tert-Butyl ((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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