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.
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 |
|---|---|
| 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
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.
Pricing & pack sizes
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.