Molekula
L-Serine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Serine is a non-essential amino acid involved in protein synthesis and metabolic processes. It is used in pharmaceuticals, cosmetics, and nutritional supplements. Available with CAS number 56-45-1, molecular formula HOCH2CH(NH2)CO2H, and molecular weight 105.09 g/mol. Stable at ambient storage conditions. Molekula supplies L-Serine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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500 g — £112.90 per pack ex VAT · £135.48 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystals or crystalline powder |
| Grade | USP Grade |
| pH | 5.2 - 6.2 |
| Loss on Drying | Max. 0.20% |
| Chloride (Cl-) | Max. 0.020% |
| Assay | 99.0 - 101.0 % |
| Residue on Ignition | Max. 0.10% |
| Specific optical rotation | +15.2° |
| Heavy Metals (Pb) | Max. 10ppm |
| Iron (Fe) | Max. 10ppm |
| Arsenic (As) | Max. 1ppm |
| Ammonium (NH4+) | Max. 0.02% |
| Sulphates (SO4)(2-) | Max. 0.020% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Hexagonal plates or prisms |
| Melting Point | 228 °C (decomposes) |
| Density | 1.6 g/cm³ at 22 °C |
| Vapour Pressure | 0.00000004 mmHg |
| pKa | pKa = 2.21 (at 25 °C) |
Source: PubChem CID 5951 (HSDB, Haz-Map, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 24133813 |
| CAS Number | 56-45-1 |
| IUPAC Name | (2S)-2-amino-3-hydroxypropanoic acid |
| EC Number | 200-274-3 |
| Molecular Formula | HOCH2CH(NH2)CO2H |
| Molecular Weight | 105.09 |
| Exact Mass | 105.0426 |
| SMILES | C([C@@H](C(=O)O)N)O |
| InChIKey | MTCFGRXMJLQNBG-REOHCLBHSA-N |
| InChI | InChI=1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7)/t2-/m0/s1 |
| PubChem CID | 5951 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29225040 |
| Tariff Code | 2922500090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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
- (2S)-2-amino-3-hydroxypropanoic acid
- (S)-2-Amino-3-hydroxypropanoic acid
- (S)-Serine
- beta-Hydroxyalanine
- L-ser
- L-Serin
- SER (IUPAC abbrev)
- Serina
- serine
- Serinum
Frequently asked questions
What is L-Serine used for?
L-Serine is used in biochemical research, cell culture media, and as a building block in peptide synthesis.
What is the chemical formula and molecular weight of L-Serine?
The formula is HOCH2CH(NH2)CO2H and the molecular weight is 105.09 g/mol.
How should L-Serine be stored?
L-Serine should be stored at ambient temperature, protected from moisture and light.
What grade of L-Serine does Molekula supply?
Molekula supplies L-Serine in reagent grade, suitable for laboratory and research use.
Can Molekula supply L-Serine in bulk?
Yes, Molekula can supply L-Serine in bulk quantities—please contact sales for pricing and availability.
What documentation comes with an order of L-Serine?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) upon request.
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.