API Process Intermediates & Related Compounds

(AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester

Name: (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester
Brand: Zemixal
SKU: ZX-036862

Available on request

Buy (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester (CAS 328086-60-8) from Zemixal…

Pack sizes

(AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester chemical structure

CAS number328086-60-8

FormulaC₁₃H₂₂N₂O₅

Molar mass286.32 g/mol

Physical formSolid

HS code2933

InChIKeyHTQMBOWAEPNWLI-IUCAKERBSA-N

IUPAC namemethyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[(3S)-2-oxopyrrolidin-3-yl]propanoate

About (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester

(AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester sits in our API Process Intermediates & Related Compounds section and ships worldwide from stock or short lead time. Key data: CAS 328086-60-8, formula C13H22N2O5 and molar mass 286.32 g/mol. It is handled as a solid.

Common uses in the lab and plant

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Safe handling

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Nirmatrelvir

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

Nirmatrelvir standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester
Product name	(AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester
Catalogue number	ZX-036862
CAS number	328086-60-8
IUPAC name	methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[(3S)-2-oxopyrrolidin-3-yl]propanoate
Molecular formula	C₁₃H₂₂N₂O₅
Molar mass	286.32 g/mol
Exact mass	286.1529
Physical form	Solid
XLogP3	0.7
H-bond donors / acceptors	2 / 5
Topological polar surface area	93.7 Å²
HS code	2933
InChIKey	HTQMBOWAEPNWLI-IUCAKERBSA-N
SMILES	CC(C)(C)OC(=O)N[C@@H](C[C@@H]1CCNC1=O)C(=O)OC
PubChem CID	11380628
Synonyms	methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(3S)-2-oxopyrrolidin-3-yl]propanoate, methyl (2S)-2-(((tert-butoxy)carbonyl)amino)-3-((3S)-2-oxopyrrolidin-3-yl)propanoate, (S)-Methyl 2-((tert-butoxycarbonyl)amino)-3-((S)-2-oxopyrrolidin-3-yl)propanoate, Methyl (S)-2-(Boc-amino)-3-[(S)-2-oxo-3-pyrrolidinyl]propanoate, methyl (S)-2-((tert-butoxycarbonyl)amino)-3-((S)-2-oxopyrrolidin-3-yl)propanoate, methyl (2S)-2-(tert-butoxycarbonylamino)-3-[(3S)-2-oxopyrrolidin-3-yl]propanoate, Paxlovid Intermediate 3, Methyl (S)-2-[(tert-butoxycarbonyl)amino]-3-((S)-2-oxopyrrolidin-3-yl)propanoate, (S)-Methyl 2-((t-butoxycarbonyl)amino)-3-((S)-2-oxopyrrolidin-3-yl)propanoate

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
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester
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 (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester

Which CAS number identifies (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester?

(AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester is registered under CAS 328086-60-8. You may also see it listed as methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(3S)-2-oxopyrrolidin-3-yl]propanoate, methyl (2S)-2-(((tert-butoxy)carbonyl)amino)-3-((3S)-2-oxopyrrolidin-3-yl)propanoate, (S)-Methyl 2-((tert-butoxycarbonyl)amino)-3-((S)-2-oxopyrrolidin-3-yl)propanoate. Our catalogue number for this item is ZX-036862.

What are the formula and molar mass of (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester?

For (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester, its formula is C13H22N2O5 and its molar mass is 286.32 g/mol. The systematic (IUPAC) name is methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[(3S)-2-oxopyrrolidin-3-yl]propanoate. InChIKey HTQMBOWAEPNWLI-IUCAKERBSA-N lets you match it in any structure database.

How is (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester used in pharmaceutical QC?

(AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester is a characterised reference material linked to Nirmatrelvir. 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 (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester?

The grade and assay are confirmed on the quotation and the batch COA. 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 (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester?

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 (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester to my country?

Yes. Because (AS,3S)-a-[(tert-Butyloxycarbonyl)amino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester 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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