Molekula
Glycylglycine (Gly-gly)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Glycylglycine (Gly-gly) is a dipeptide composed of two glycine molecules, commonly used in biochemical research and peptide synthesis. It serves as a model compound for studying peptide bonding and enzyme activity. Available in powder form with a molecular weight of 132.12 g/mol, CAS number 556-50-3, and stored at ambient temperature.
Molekula supplies Glycylglycine (Gly-gly) at 98.5% - 100.5% purity (Titration) in 100 g packs, from £44.76 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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 — £37.30 per pack ex VAT · £44.76 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 to off-white powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 0.2% |
| Chloride (Cl-) | ≤ 0.02% |
| Residue on Ignition | ≤ 0.15% |
| Heavy Metals (Pb) | ≤ 10ppm |
| Assay (Titration) | 98.5% - 100.5% |
| Other amino acids | Not detectable |
| Transmittance | ≥ 95.0% |
| Iron (Fe) | ≤ 30ppm |
| Arsenic trioxide (As2O3) | ≤ 1ppm |
| Sulphates (SO4)(2-) | ≤ 0.02% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 215 °C |
| Vapour Pressure | 0.00000005 mmHg |
Source: PubChem CID 11163 (Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 38773648 |
| CAS Number | 556-50-3 |
| IUPAC Name | 2-[(2-aminoacetyl)amino]acetic acid |
| EC Number | 209-127-8 |
| Molecular Formula | NH2CH2CONHCH2COOH |
| Molecular Weight | 132.12 |
| Exact Mass | 132.0535 |
| SMILES | C(C(=O)NCC(=O)O)N |
| InChIKey | YMAWOPBAYDPSLA-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H8N2O3/c5-1-3(7)6-2-4(8)9/h1-2,5H2,(H,6,7)(H,8,9) |
| PubChem CID | 11163 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29241980 |
| Tariff Code | 2924190090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Glycylglycine used for?
Glycylglycine is used as a building block in peptide synthesis and as a reagent in biochemical research.
What is the chemical formula and molecular weight of Glycylglycine?
The formula is NH2CH2CONHCH2COOH with a molecular weight of 132.12 g/mol.
How should Glycylglycine be stored?
Store at ambient temperature, protected from moisture and light.
What grade of Glycylglycine does Molekula supply?
Molekula supplies Glycylglycine with an assay (titration) of 98.5% - 100.5%, with specified limits on impurities including chloride, sulphates, heavy metals, iron and arsenic.
Can Molekula supply Glycylglycine in bulk?
Yes, Molekula can supply Glycylglycine in bulk quantities—please contact sales for details.
What documentation comes with a Glycylglycine order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
Where can I buy Glycylglycine (Gly-gly)?
Directly from Molekula, which lists Glycylglycine (Gly-gly) in 100 g packs from £44.76 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.