Gly-Gly-Gly
Gly-Gly-Gly (CAS: 556-33-2) is a simple tripeptide composed of three glycine units. Its linear formula is NH₂CH₂CONHCH₂CONHCH₂COOH, with a molecular weight of 189.17 g/mol. This compound is recognised for its buffering capabilities and finds application in biochemical research and as a component in buffer solutions. Tech Serve Solutions supplies Gly-Gly-Gly for laboratory and research purposes.
- IUPAC
- Glycyl-glycyl-glycine,Triglycine
- Synonyms
- TriglycineGlycyl-glycyl-glycine

Biochemical Research
Gly-Gly-Gly serves as a valuable tool in biochemical research due to its defined structure and properties. It can be used in studies investigating peptide interactions or as a model compound for larger peptide structures.
Buffer Component
As a zwitterionic compound, Gly-Gly-Gly can contribute to buffer systems in biochemical and biological applications. It helps maintain stable pH conditions necessary for enzymatic reactions and cell culture media.
Peptide Synthesis Studies
This tripeptide can be employed in research related to peptide synthesis methodologies. Its simple repetitive structure makes it a useful starting point or intermediate in developing and testing new synthetic routes.
| Molecular weight | 189.17 |
|---|---|
| Linear formula | NH2CH2CONHCH2CONHCH2COOH |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioUltra |
|---|---|
| λ | 0.5 M in H2O |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Gly-Gly-Gly used for?
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Gly-Gly-Gly is used in biochemical research, as a buffer component, and in studies related to peptide synthesis.
What is the CAS number and formula for Gly-Gly-Gly?
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The CAS number for Gly-Gly-Gly is 556-33-2, and its linear formula is NH₂CH₂CONHCH₂CONHCH₂COOH.
What grade and purity does Tech Serve Solutions supply for Gly-Gly-Gly?
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Tech Serve Solutions supplies Gly-Gly-Gly under the BioUltra product line. Specific assay and purity details are available on the product specification sheet. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling recommendations for Gly-Gly-Gly?
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Gly-Gly-Gly has a WGK Germany rating of 3. Appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, should be used when handling this chemical.
How is Gly-Gly-Gly packed and shipped?
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Tech Serve Solutions exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally. Specific packaging details for Gly-Gly-Gly will be provided upon request, adhering to international shipping regulations.
How can I request a sample or quote for Gly-Gly-Gly?
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To request a sample or a quote for Gly-Gly-Gly, please contact the Tech Serve Solutions sales department through our official website or by phone.
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