L-Proline

Name: L-Proline
Brand: Vaqora Chemicals
SKU: VQ-013504

About L-Proline

Listed under CAS 147-85-3, L-Proline is a process intermediate or related compound of Enalapril available from Vaqora Chemicals. Formula C5H9NO2, molecular weight 115.13 g/mol. Systematically, it is named (2S)-pyrrolidine-2-carboxylic acid. Common synonyms include (S)-(-)-Proline and (S)-2-Carboxypyrrolidine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is a process intermediate or related compound in the synthesis of Enalapril, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from 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. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Enalapril

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

Enalapril impurities

Specifications & identifiers

Chemical identifiers
Product name	L-Proline
Catalogue No.	VQ-013504
CAS Number	147-85-3
IUPAC name	(2S)-pyrrolidine-2-carboxylic acid
Molecular formula	C₅H₉NO₂
Molecular weight	115.13 g/mol
Exact mass	115.0633
Grade	Reference Standard
HSN code	2933
InChIKey	ONIBWKKTOPOVIA-BYPYZUCNSA-N
SMILES	C1C[C@H](NC1)C(=O)O
PubChem CID	145742

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.5
H-bond donors / acceptors	2 / 3
TPSA	49.3 Å²
Synonyms	(S)-(-)-Proline, (S)-2-Carboxypyrrolidine, (S)-2-Pyrrolidinecarboxylic acid, (S)-Proline, (-)-2-Pyrrolidinecarboxylic acid, (-)-Proline, 2-Pyrrolidinecarboxylic acid, L-(-)-Proline, L-Pyrrolidine-2-carboxylic acid, L-alpha-Pyrrolidinecarboxylic acid, Carboxypyrrolidine, MeSH ID: D011392

Documents

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

Other grades of CAS 147-85-3

Biochemistry

L-Proline, 99%+

CAS: 147-85-3
Formula: C₅H₉NO₂
MW: 115.13 g/mol

VQ-002145

BP/EP

L-Proline, BP/EP 98.5–101.0%

CAS: 147-85-3
Formula: C₅H₉NO₂
MW: 115.13 g/mol

VQ-046749

BP/USP/EP / Cell Cult…

L-Proline, BP/USP/EP, cell culture tested

CAS: 147-85-3
Formula: C₅H₉NO₂
MW: 115.13 g/mol

VQ-046068

Cell Culture

L-Proline, cell culture tested

CAS: 147-85-3
Formula: C₅H₉NO₂
MW: 115.13 g/mol

VQ-046340

Frequently asked questions

What is the CAS number of L-Proline?

The CAS Registry Number of L-Proline is 147-85-3. It is also known as (S)-(-)-Proline, (S)-2-Carboxypyrrolidine, (S)-2-Pyrrolidinecarboxylic acid.

What is the molecular formula and molecular weight of L-Proline?

L-Proline has the molecular formula C5H9NO2 and a molecular weight of 115.13 g/mol. Its IUPAC name is (2S)-pyrrolidine-2-carboxylic acid.

What is L-Proline used for?

L-Proline is supplied as a characterised reference material related to Enalapril. 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 L-Proline can I order?

We supply L-Proline in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-Proline?

Yes. Every lot of L-Proline 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 L-Proline be shipped internationally?

Yes. We export L-Proline worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.