Molekula
L-Asparagine anhydrous
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-Asparagine anhydrous is a non-essential amino acid used in cell culture media, peptide synthesis, and biochemical research. It serves as a nitrogen source and structural component in protein formation. Available with CAS number 70-47-3, molecular formula C4H8N2O3, and molecular weight 132.12 g/mol. Stable at ambient storage conditions. No signal word applies. Molekula supplies L-Asparagine anhydrous 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 — £45.00 per pack ex VAT · £54.00 inc. VAT
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1 kg — £295.00 per pack ex VAT · £354.00 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 crystalline powder |
| Specific rotation | +34.2 to +36.5 |
| Heavy metals | <10ppm |
| Identification | Conforms to reference |
| pH | 4.4 - 6.4 |
| Loss on Drying | <0.5% |
| Assay | 99 - 101% |
| Iron (Fe) | <10ppm |
| Arsenic (As) | <1ppm |
| Ammonium (NH4+) | <0.10% |
| Sulphates (SO4)(2-) | <0.020% |
| State of Solution | >98% |
| Chlorine (Cl) | <0.020% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Orthorhombic bisphenoidal crystals |
| Melting Point | 234-235 °C |
| Density | 1.543 g/cm³ at 15/4 °C |
| Water Solubility | 29.4 g/L at 25 °C |
| Solubility (other solvents) | Practically insoluble in methanol, ethanol, ether, benzene. Soluble in acids and alkalies |
| Vapour Pressure | 0.00000005 mmHg |
| pKa | pKa = 8.82 (at 18 °C) |
| log P (octanol/water) | -3.82 |
Source: PubChem CID 6267 (HSDB, Haz-Map, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 15650008 |
| CAS Number | 70-47-3 |
| IUPAC Name | (2S)-2,4-diamino-4-oxobutanoic acid |
| EC Number | 200-735-9 |
| Molecular Formula | H2NCOCH2CH(NH2)CO2H |
| Molecular Weight | 132.12 |
| Exact Mass | 132.0535 |
| SMILES | C([C@@H](C(=O)O)N)C(=O)N |
| InChIKey | DCXYFEDJOCDNAF-REOHCLBHSA-N |
| InChI | InChI=1S/C4H8N2O3/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H2,6,7)(H,8,9)/t2-/m0/s1 |
| PubChem CID | 6267 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2924.19.80.00 |
| Tariff Code | 2924190090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- (S)-2,4-diamino-4-oxobutanoic acid
- (S)-asparagine
- agedoite
- altheine
- asparagine
- asparagine acid
- Asparamide
- Aspartamic acid
- Crystal VI
- L-asparagine
Frequently asked questions
What is L-Asparagine anhydrous used for?
It is primarily used as a building block in peptide synthesis and as a nutrient in cell culture media for biopharmaceutical production.
What is the chemical formula and molecular weight of L-Asparagine anhydrous?
The formula is C4H8N2O3 and the molecular weight is 132.12 g/mol.
How should L-Asparagine anhydrous be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of L-Asparagine anhydrous is available?
Available in reagent grade; specific grades may vary based on application needs.
Can Molekula supply L-Asparagine anhydrous in bulk?
Yes, Molekula can supply L-Asparagine anhydrous in bulk quantities—please contact sales for details.
What documentation comes with an order of L-Asparagine anhydrous?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided 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.