H-Gly-Gly-Gly-OH CAS 556-33-2
| CAS No. | 556-33-2 |
| Molecular Formula | C6H11N3O4 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 189.17 g/mol gives H-Gly-Gly-Gly-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
H-Gly-Gly-Gly-OH (CAS 556-33-2), molecular formula C6H11N3O4 and molecular weight 189.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H11N3O4, H-Gly-Gly-Gly-OH contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures H-Gly-Gly-Gly-OH under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H11N3O4 |
| Molecular Weight | 189.17 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Ac-Asp-OMe (CAS 4910-47-8)
- 4-Nitro-1-Naphthol (CAS 605-62-9)
- H-Gly-Asn-OH (CAS 1999-33-3)
- 2-Nitro-1-naphthol (CAS 607-24-9)
- 4-Bromo-1-(2-(t-butyldimethylsilyloxy)ethyl)pyrazole (CAS 1187385-84-7)
- 1-(3-Fluorophenyl)-4-oxocyclohexanecarboxylic Acid (CAS 374795-89-8)
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- Dapoxetine Impurity 96 (CAS CATO-C4X-143996)
- 4-Bromo-2,2-dimethyl-3-fluoropropiophenone (CAS 898766-27-3)
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- 3-(2-Chlorophenyl)pyrrolidine Hydrochloride (CAS 1095545-14-4)
- 4-Methyl-2-nitropyridine-1-oxide (CAS 100047-40-3)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com