Molekula
L-Proline
L-Proline is a non-essential amino acid used in peptide synthesis, pharmaceuticals, and as a catalyst in organic reactions. It is a white crystalline powder with a molecular formula of C5H9NO2, a molecular weight of 115.13 g/mol, and a CAS number of 147-85-3. Stable at ambient temperatures, it requires no special storage conditions. Molekula supplies L-Proline from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Proline is a non-essential amino acid used in peptide synthesis, pharmaceuticals, and as a catalyst in organic reactions. It is a white crystalline powder with a molecular formula of C5H9NO2, a molecular weight of 115.13 g/mol, and a CAS number of 147-85-3. Stable at ambient temperatures, it requires no special storage conditions. Molekula supplies L-Proline from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Specific rotation | -84.5° to -86.0° |
| Heavy metals | ≤ 15ppm |
| Identification | Conforms to reference |
| pH | 5.9 - 6.9 |
| Loss on Drying | ≤ 0.3% |
| Sulfate (SO4) | ≤ 0.050% |
| Chloride (Cl) | ≤ 0.050% |
| Assay | 99.0 - 101.0% |
| Residue on Ignition | ≤ 0.10% |
| Iron (Fe) | ≤ 30ppm |
| Arsenic (As) | ≤ 1ppm |
| Ammonium (NH4) | ≤ 0.02% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 13422892 |
| CAS Number | 147-85-3 |
| Molecular Formula | C5H9NO2 |
| Molecular Weight | 115.13 |
| SMILES | O=C(O)C1NCCC1 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29339980 |
| Tariff Code | 2933998090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Safety Data Sheets (SDS)
Available in ES, IT, DE, FR, EN.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is L-Proline used for?
L-Proline is commonly used as a building block in peptide synthesis and as a catalyst in asymmetric synthesis reactions.
What is the chemical formula and molecular weight of L-Proline?
The formula is C5H9NO2 and the molecular weight is 115.13 g/mol.
How should L-Proline be stored?
L-Proline should be stored at ambient temperature, protected from moisture and light.
What grade of L-Proline does Molekula supply?
Molekula supplies L-Proline in reagent grade, suitable for laboratory and research use.
Can Molekula supply L-Proline in bulk?
Yes, Molekula can supply L-Proline in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of L-Proline?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.