[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carb… 247068-83-3

Name: [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester
Brand: Vaqora Chemicals
SKU: VQ-032398

About [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester

Vaqora Chemicals supplies [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester, an impurity of Carfilzomib registered under CAS number 247068-83-3. Formula C14H25NO4, molecular weight 271.35 g/mol. Its systematic (IUPAC) name is tert-butyl N-[(2S)-4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate. Common synonyms include CS-M2707.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Carfilzomib impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Carfilzomib

View every impurity, metabolite and intermediate we list for Carfilzomib.

Carfilzomib impurities

Specifications & identifiers

Chemical identifiers
Product name	[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester
Catalogue No.	VQ-032398
CAS Number	247068-83-3
IUPAC name	tert-butyl N-[(2S)-4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate
Molecular formula	C₁₄H₂₅NO₄
Molecular weight	271.35 g/mol
Exact mass	271.1784
Grade	Reference Standard
HSN code	38229090
InChIKey	DDMPMIMTLBGEHT-HZMBPMFUSA-N
SMILES	CC(C)C[C@@H](C(=O)[C@@]1(CO1)C)NC(=O)OC(C)(C)C
PubChem CID	57661786

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	1 / 4
TPSA	67.9 Å²
Synonyms	tert-Butyl ((S)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate, CS-M2707, (S)-2-(Boc-amino)-4-methyl-1-[(S)-2-methyloxiran-2-yl]-1-pentanone, N-[(1S)-3-Methyl-1-[[(2S)-2-methyl-2-oxiranyl]carbonyl]butyl]-, 1,1-dimethylethyl ester, tert-butyl N-[(1S)-3-methyl-1-[(2S)-2-methyloxirane-2-carbonyl]butyl]carbamate, tert-Butyl((S)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester?

The CAS Registry Number of [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester is 247068-83-3. It is also known as tert-Butyl ((S)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)carbamate, CS-M2707, (S)-2-(Boc-amino)-4-methyl-1-[(S)-2-methyloxiran-2-yl]-1-pentanone.

What is the molecular formula and molecular weight of [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester?

[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester has the molecular formula C14H25NO4 and a molecular weight of 271.35 g/mol. Its IUPAC name is tert-butyl N-[(2S)-4-methyl-1-[(2S)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]carbamate.

What is [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester used for?

[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester is supplied as a characterised reference material related to Carfilzomib. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester can I order?

We supply [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester?

Yes. Every lot of [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester be shipped internationally?

Yes. [(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.