Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxyla… 113400-36-5

About Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate

Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate is a process intermediate or related compound of Clindamycin carrying the CAS registry number 113400-36-5. The compound has the formula C17H21NO5, corresponding to a molecular weight of 319.4 g/mol. Systematically, it is named 2-O-benzyl 1-O-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate. It is also known as Boc-Pyr-Obzl or Boc-L-Pyroglutamic acid benzyl ester.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Clindamycin, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Clindamycin

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

Clindamycin impurities

Specifications & identifiers

Chemical identifiers
Product name	Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate
Catalogue No.	VQ-047823
CAS Number	113400-36-5
IUPAC name	2-O-benzyl 1-O-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
Molecular formula	C₁₇H₂₁NO₅
Molecular weight	319.4 g/mol
Exact mass	319.142
HSN code	2933
InChIKey	TZNBTMCEMLXYEM-ZDUSSCGKSA-N
SMILES	CC(C)(C)OC(=O)N1[C@@H](CCC1=O)C(=O)OCC2=CC=CC=C2
PubChem CID	8027482

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	0 / 5
TPSA	72.9 Å²
Synonyms	1-(1,1-Dimethylethyl) 2-(phenylmethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate, Boc-Pyr-Obzl, (S)-2-Benzyl 1-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate, Boc-L-Pyroglutamic acid benzyl ester, 2-benzyl 1-(tert-butyl) (S)-5-oxopyrrolidine-1,2-dicarboxylate, Boc-pyroglutamic acid benzyl ester, N-Boc-L-pyroglutamic acid benzyl ester, benzyl N-boc-l-pyroglutamate, 1-Acetyl-1H-1,2,3-benzotri, Benzyl N-tert-butoxycarbonyl-5-oxoprolinate, Benzyl N-tert-butoxycarbonyl-(2S)-pyroglutamate, Benzyl (2S)-N-tert-butoxycarbonyl-5-oxoprolinate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate?

The CAS Registry Number of Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate is 113400-36-5. It is also known as 1-(1,1-Dimethylethyl) 2-(phenylmethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate, Boc-Pyr-Obzl, (S)-2-Benzyl 1-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate.

What is the molecular formula and molecular weight of Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate?

Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate has the molecular formula C17H21NO5 and a molecular weight of 319.4 g/mol. Its IUPAC name is 2-O-benzyl 1-O-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate.

What is Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate used for?

Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate is supplied as a characterised reference material related to Clindamycin. 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 Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate can I order?

We supply Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate, 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 Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate?

Yes. Every lot of Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate 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 Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate be shipped internationally?

Yes. Benzyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate 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.