Tert-Butyl L-Pyroglutamate

Name: Tert-Butyl L-Pyroglutamate
Brand: Zemixal
SKU: ZX-047974

Reference StandardAvailable on request

Buy Tert-Butyl L-Pyroglutamate (CAS 35418-16-7) from Zemixal: C9H15NO3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-047974.

Pack sizes

Tert-Butyl L-Pyroglutamate chemical structure

CAS number35418-16-7

FormulaC₉H₁₅NO₃

Molar mass185.22 g/mol

Physical formSolid

HS code38229090

InChIKeyQXGSPAGZWRTTOT-LURJTMIESA-N

IUPAC nametert-butyl (2S)-5-oxopyrrolidine-2-carboxylate

About Tert-Butyl L-Pyroglutamate

Tert-Butyl L-Pyroglutamate is supplied by Zemixal as a characterised reference material for Glutamic Acid analysis. For your records (Reference Standard), the material is defined by CAS 35418-16-7, formula C9H15NO3 and molar mass 185.22 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

Safe handling

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Glutamic Acid

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

Glutamic Acid 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 L-Pyroglutamate
Product name	Tert-Butyl L-Pyroglutamate
Catalogue number	ZX-047974
CAS number	35418-16-7
IUPAC name	tert-butyl (2S)-5-oxopyrrolidine-2-carboxylate
Molecular formula	C₉H₁₅NO₃
Molar mass	185.22 g/mol
Exact mass	185.1052
Grade	Reference Standard
Physical form	Solid
XLogP3	0.5
H-bond donors / acceptors	1 / 3
Topological polar surface area	55.4 Å²
HS code	38229090
InChIKey	QXGSPAGZWRTTOT-LURJTMIESA-N
SMILES	CC(C)(C)OC(=O)[C@@H]1CCC(=O)N1
PubChem CID	10888648
Synonyms	tert-Butyl 5-oxo-L-prolinate, (S)-tert-Butyl 5-oxopyrrolidine-2-carboxylate, (S)-2-pyrrolidone-5-carboxylic acid t-butyl ester, L-Pyroglutamic acid tert-butyl ester, H-Pyr-OtBu, tert-Butyl (S)-2-pyrrolidone-5-carboxylate, tert-Butyl (S)-5-Oxopyrrolidine-2-carboxylate, (S)-2-Pyrrolidone-5-carboxylicacidtert-butylester, (S)-5-Oxopyrrolidine-2-carboxylic Acid tert-Butyl Ester, L-Pyroglutamicacidtert-butylester, Proline, 5-oxo-, 1,1-dimethylethyl ester, Pyroglutamic acid tert-butyl ester

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

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

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 L-Pyroglutamate
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 L-Pyroglutamate

Which CAS number identifies Tert-Butyl L-Pyroglutamate?

Tert-Butyl L-Pyroglutamate is registered under CAS 35418-16-7. You may also see it listed as tert-Butyl 5-oxo-L-prolinate, (S)-tert-Butyl 5-oxopyrrolidine-2-carboxylate, (S)-2-pyrrolidone-5-carboxylic acid t-butyl ester. Our catalogue number for this item is ZX-047974.

What are the formula and molar mass of Tert-Butyl L-Pyroglutamate?

For Tert-Butyl L-Pyroglutamate, its formula is C9H15NO3 and its molar mass is 185.22 g/mol. The systematic (IUPAC) name is tert-butyl (2S)-5-oxopyrrolidine-2-carboxylate. InChIKey QXGSPAGZWRTTOT-LURJTMIESA-N lets you match it in any structure database.

How is Tert-Butyl L-Pyroglutamate used in pharmaceutical QC?

Tert-Butyl L-Pyroglutamate is a characterised reference material linked to Glutamic Acid. 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 L-Pyroglutamate?

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 L-Pyroglutamate?

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 L-Pyroglutamate to my country?

Yes. Because Tert-Butyl L-Pyroglutamate 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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